30621201764 has 6 divisors (see below), whose sum is σ = 53587103094. Its totient is φ = 15310600880.

The previous prime is 30621201749. The next prime is 30621201791. The reversal of 30621201764 is 46710212603.

It can be written as a sum of positive squares in only one way, i.e., 29625294400 + 995907364 = 172120^2 + 31558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30621201764.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3827650217 + ... + 3827650224.

It is an arithmetic number, because the mean of its divisors is an integer number (8931183849).

Almost surely, 2^30621201764 is an apocalyptic number.

It is an amenable number.

30621201764 is a deficient number, since it is larger than the sum of its proper divisors (22965901330).

30621201764 is a wasteful number, since it uses less digits than its factorization.

30621201764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655300445 (or 7655300443 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 30621201764 in words is "thirty billion, six hundred twenty-one million, two hundred one thousand, seven hundred sixty-four".