30829621907 has 16 divisors (see below), whose sum is σ = 37386385920. Its totient is φ = 24817653888.

The previous prime is 30829621871. The next prime is 30829621913. The reversal of 30829621907 is 70912692803.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30829621907 - 2⁸ = 30829621651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30829621957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221807 + ... + 332952.

It is an arithmetic number, because the mean of its divisors is an integer number (2336649120).

Almost surely, 2^30829621907 is an apocalyptic number.

30829621907 is a deficient number, since it is larger than the sum of its proper divisors (6556764013).

30829621907 is a wasteful number, since it uses less digits than its factorization.

30829621907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555250.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 30829621907 in words is "thirty billion, eight hundred twenty-nine million, six hundred twenty-one thousand, nine hundred seven".