30640613835 has 32 divisors (see below), whose sum is σ = 52867825920. Its totient is φ = 15064126848.

The previous prime is 30640613827. The next prime is 30640613879. The reversal of 30640613835 is 53831604603.

It is not a de Polignac number, because 30640613835 - 2³ = 30640613827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 30640613793 and 30640613802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37792 + ... + 250418.

It is an arithmetic number, because the mean of its divisors is an integer number (1652119560).

Almost surely, 2^30640613835 is an apocalyptic number.

30640613835 is a deficient number, since it is larger than the sum of its proper divisors (22227212085).

30640613835 is a wasteful number, since it uses less digits than its factorization.

30640613835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213387.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30640613835 in words is "thirty billion, six hundred forty million, six hundred thirteen thousand, eight hundred thirty-five".