172952389564 has 12 divisors (see below), whose sum is σ = 306067431600. Its totient is φ = 85504551968.

The previous prime is 172952389469. The next prime is 172952389567. The reversal of 172952389564 is 465983259271.

It is a super-2 number, since 2×172952389564² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172952389567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242910304 + ... + 242911015.

It is an arithmetic number, because the mean of its divisors is an integer number (25505619300).

Almost surely, 2^172952389564 is an apocalyptic number.

It is an amenable number.

172952389564 is a deficient number, since it is larger than the sum of its proper divisors (133115042036).

172952389564 is a wasteful number, since it uses less digits than its factorization.

172952389564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485821412 (or 485821410 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 61.

The spelling of 172952389564 in words is "one hundred seventy-two billion, nine hundred fifty-two million, three hundred eighty-nine thousand, five hundred sixty-four".