210072647964 has 24 divisors (see below), whose sum is σ = 515967907840. Its totient is φ = 66338730864.

The previous prime is 210072647927. The next prime is 210072647969. The reversal of 210072647964 is 469746270012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210072647969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460685404 + ... + 460685859.

Almost surely, 2^210072647964 is an apocalyptic number.

It is an amenable number.

210072647964 is an abundant number, since it is smaller than the sum of its proper divisors (305895259876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210072647964 is a wasteful number, since it uses less digits than its factorization.

210072647964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921371289 (or 921371287 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 210072647964 in words is "two hundred ten billion, seventy-two million, six hundred forty-seven thousand, nine hundred sixty-four".