29920430564 has 6 divisors (see below), whose sum is σ = 52360753494. Its totient is φ = 14960215280.

The previous prime is 29920430563. The next prime is 29920430621. The reversal of 29920430564 is 46503402992.

It can be written as a sum of positive squares in only one way, i.e., 23743728100 + 6176702464 = 154090^2 + 78592^2 .

It is not an unprimeable number, because it can be changed into a prime (29920430563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740053817 + ... + 3740053824.

It is an arithmetic number, because the mean of its divisors is an integer number (8726792249).

Almost surely, 2^29920430564 is an apocalyptic number.

It is an amenable number.

29920430564 is a deficient number, since it is larger than the sum of its proper divisors (22440322930).

29920430564 is a wasteful number, since it uses less digits than its factorization.

29920430564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480107645 (or 7480107643 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 29920430564 in words is "twenty-nine billion, nine hundred twenty million, four hundred thirty thousand, five hundred sixty-four".