3791242865 has 8 divisors (see below), whose sum is σ = 4549979520. Its totient is φ = 3032668912.

The previous prime is 3791242859. The next prime is 3791242883. The reversal of 3791242865 is 5682421973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3791242865 - 2¹⁶ = 3791177329 is a prime.

It is a super-2 number, since 2×3791242865² = 28747044922826816450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18392 + ... + 88998.

It is an arithmetic number, because the mean of its divisors is an integer number (568747440).

Almost surely, 2^3791242865 is an apocalyptic number.

It is an amenable number.

3791242865 is a deficient number, since it is larger than the sum of its proper divisors (758736655).

3791242865 is a wasteful number, since it uses less digits than its factorization.

3791242865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81351.

The product of its digits is 725760, while the sum is 47.

The square root of 3791242865 is about 61573.0693160573. The cubic root of 3791242865 is about 1559.2911069361.

The spelling of 3791242865 in words is "three billion, seven hundred ninety-one million, two hundred forty-two thousand, eight hundred sixty-five".