30857949635 has 4 divisors (see below), whose sum is σ = 37029539568. Its totient is φ = 24686359704.

The previous prime is 30857949559. The next prime is 30857949659. The reversal of 30857949635 is 53694975803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30857949635 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3085794959 + ... + 3085794968.

It is an arithmetic number, because the mean of its divisors is an integer number (9257384892).

Almost surely, 2^30857949635 is an apocalyptic number.

30857949635 is a deficient number, since it is larger than the sum of its proper divisors (6171589933).

30857949635 is an equidigital number, since it uses as much as digits as its factorization.

30857949635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171589932.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 30857949635 in words is "thirty billion, eight hundred fifty-seven million, nine hundred forty-nine thousand, six hundred thirty-five".