30684838616 has 8 divisors (see below), whose sum is σ = 57534072420. Its totient is φ = 15342419304.

The previous prime is 30684838589. The next prime is 30684838621. The reversal of 30684838616 is 61683848603.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917802406 + ... + 1917802421.

Almost surely, 2^30684838616 is an apocalyptic number.

It is an amenable number.

30684838616 is a deficient number, since it is larger than the sum of its proper divisors (26849233804).

30684838616 is a wasteful number, since it uses less digits than its factorization.

30684838616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835604833 (or 3835604829 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 30684838616 in words is "thirty billion, six hundred eighty-four million, eight hundred thirty-eight thousand, six hundred sixteen".