30621605045 has 16 divisors (see below), whose sum is σ = 39566905920. Its totient is φ = 22665479424.

The previous prime is 30621605033. The next prime is 30621605051. The reversal of 30621605045 is 54050612603.

It is a cyclic number.

It is not a de Polignac number, because 30621605045 - 2³⁴ = 13441735861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3047987 + ... + 3058016.

It is an arithmetic number, because the mean of its divisors is an integer number (2472931620).

Almost surely, 2^30621605045 is an apocalyptic number.

It is an amenable number.

30621605045 is a deficient number, since it is larger than the sum of its proper divisors (8945300875).

30621605045 is a wasteful number, since it uses less digits than its factorization.

30621605045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106084.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 30621605045 in words is "thirty billion, six hundred twenty-one million, six hundred five thousand, forty-five".