3975428601 has 9 divisors (see below), whose sum is σ = 5742558991. Its totient is φ = 2650159632.

The previous prime is 3975428591. The next prime is 3975428617. The reversal of 3975428601 is 1068245793.

The square root of 3975428601 is 63051.

It is a perfect power (a square), and thus also a powerful number.

3975428601 is a `hidden beast` number, since 39 + 7 + 5 + 4 + 2 + 8 + 601 = 666.

3975428601 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 3972024576 = 1845^2 + 63024^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3975428601 - 2¹⁹ = 3974904313 is a prime.

It is a Duffinian number.

3975428601 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (3975428701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 178645 + ... + 199661.

It is a 1-persistent number, because it is pandigital, but 2⋅3975428601 = 7950857202 is not.

Almost surely, 2^3975428601 is an apocalyptic number.

3975428601 is the 63051-st square number.

3975428601 is the 31526-th centered octagonal number.

It is an amenable number.

3975428601 is a deficient number, since it is larger than the sum of its proper divisors (1767130390).

3975428601 is an frugal number, since it uses more digits than its factorization.

3975428601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42040 (or 21020 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 3975428601 is about 1584.1439848932.

The spelling of 3975428601 in words is "three billion, nine hundred seventy-five million, four hundred twenty-eight thousand, six hundred one".