30505734061 has 16 divisors (see below), whose sum is σ = 33839191296. Its totient is φ = 27266040000.

The previous prime is 30505734053. The next prime is 30505734067. The reversal of 30505734061 is 16043750503.

It is a cyclic number.

It is not a de Polignac number, because 30505734061 - 2³ = 30505734053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30505734067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783731 + ... + 1800751.

It is an arithmetic number, because the mean of its divisors is an integer number (2114949456).

Almost surely, 2^30505734061 is an apocalyptic number.

It is an amenable number.

30505734061 is a deficient number, since it is larger than the sum of its proper divisors (3333457235).

30505734061 is a wasteful number, since it uses less digits than its factorization.

30505734061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19764.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 30505734061 in words is "thirty billion, five hundred five million, seven hundred thirty-four thousand, sixty-one".