29972866468 has 6 divisors (see below), whose sum is σ = 52452516326. Its totient is φ = 14986433232.

The previous prime is 29972866457. The next prime is 29972866477. The reversal of 29972866468 is 86466827992.

It can be written as a sum of positive squares in only one way, i.e., 29846708644 + 126157824 = 172762^2 + 11232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3746608305 + ... + 3746608312.

Almost surely, 2^29972866468 is an apocalyptic number.

It is an amenable number.

29972866468 is a deficient number, since it is larger than the sum of its proper divisors (22479649858).

29972866468 is a wasteful number, since it uses less digits than its factorization.

29972866468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493216621 (or 7493216619 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 67.

The spelling of 29972866468 in words is "twenty-nine billion, nine hundred seventy-two million, eight hundred sixty-six thousand, four hundred sixty-eight".