172952389563 has 8 divisors (see below), whose sum is σ = 231810533376. Its totient is φ = 114697919400.

The previous prime is 172952389469. The next prime is 172952389567. The reversal of 172952389563 is 365983259271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172952389563 - 2¹² = 172952385467 is a prime.

It is a super-2 number, since 2×172952389563² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172952389497 and 172952389506.

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 7 ways as a sum of consecutive naturals, for example, 150917743 + ... + 150918888.

It is an arithmetic number, because the mean of its divisors is an integer number (28976316672).

Almost surely, 2^172952389563 is an apocalyptic number.

172952389563 is a deficient number, since it is larger than the sum of its proper divisors (58858143813).

172952389563 is a wasteful number, since it uses less digits than its factorization.

172952389563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301836825.

The product of its digits is 24494400, while the sum is 60.

The spelling of 172952389563 in words is "one hundred seventy-two billion, nine hundred fifty-two million, three hundred eighty-nine thousand, five hundred sixty-three".