4487136901 has 4 divisors (see below), whose sum is σ = 4832301292. Its totient is φ = 4141972512.

The previous prime is 4487136889. The next prime is 4487136947. The reversal of 4487136901 is 1096317844.

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 484044001 + 4003092900 = 22001^2 + 63270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487136901 - 2⁵ = 4487136869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487136991) 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, 172582176 + ... + 172582201.

It is an arithmetic number, because the mean of its divisors is an integer number (1208075323).

Almost surely, 2^4487136901 is an apocalyptic number.

It is an amenable number.

4487136901 is a deficient number, since it is larger than the sum of its proper divisors (345164391).

4487136901 is a wasteful number, since it uses less digits than its factorization.

4487136901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345164390.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4487136901 is about 66986.0948331816. The cubic root of 4487136901 is about 1649.3890484949.

The spelling of 4487136901 in words is "four billion, four hundred eighty-seven million, one hundred thirty-six thousand, nine hundred one".