172963225692969 has 16 divisors (see below), whose sum is σ = 246869902867200. Its totient is φ = 107388407743056.

The previous prime is 172963225692919. The next prime is 172963225692977. The reversal of 172963225692969 is 969296522369271.

It is not a de Polignac number, because 172963225692969 - 2¹² = 172963225688873 is a prime.

It is a super-2 number, since 2×172963225692969² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172963225692894 and 172963225692903.

It is not an unprimeable number, because it can be changed into a prime (172963225692919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25715611519 + ... + 25715618244.

It is an arithmetic number, because the mean of its divisors is an integer number (15429368929200).

Almost surely, 2^{172963225692969} is an apocalyptic number.

172963225692969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

172963225692969 is a deficient number, since it is larger than the sum of its proper divisors (73906677174231).

172963225692969 is a wasteful number, since it uses less digits than its factorization.

172963225692969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51431229844.

The product of its digits is 2380855680, while the sum is 78.

The spelling of 172963225692969 in words is "one hundred seventy-two trillion, nine hundred sixty-three billion, two hundred twenty-five million, six hundred ninety-two thousand, nine hundred sixty-nine".