3909312401 has 4 divisors (see below), whose sum is σ = 4139271972. Its totient is φ = 3679352832.

The previous prime is 3909312361. The next prime is 3909312413. The reversal of 3909312401 is 1042139093.

3909312401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1346523025 + 2562789376 = 36695^2 + 50624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3909312401 is a prime.

It is a super-2 number, since 2×3909312401² = 30565446897224769602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3909312431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114979760 + ... + 114979793.

It is an arithmetic number, because the mean of its divisors is an integer number (1034817993).

Almost surely, 2^3909312401 is an apocalyptic number.

It is an amenable number.

3909312401 is a deficient number, since it is larger than the sum of its proper divisors (229959571).

3909312401 is a wasteful number, since it uses less digits than its factorization.

3909312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229959570.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3909312401 is about 62524.4944081917. The cubic root of 3909312401 is about 1575.3127657692.

The spelling of 3909312401 in words is "three billion, nine hundred nine million, three hundred twelve thousand, four hundred one".