172453542263 has 2 divisors, whose sum is σ = 172453542264. Its totient is φ = 172453542262.

The previous prime is 172453542251. The next prime is 172453542299. The reversal of 172453542263 is 362245354271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172453542263 - 2⁸ = 172453542007 is a prime.

It is a super-2 number, since 2×172453542263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172453542463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86226771131 + 86226771132.

It is an arithmetic number, because the mean of its divisors is an integer number (86226771132).

Almost surely, 2^172453542263 is an apocalyptic number.

172453542263 is a deficient number, since it is larger than the sum of its proper divisors (1).

172453542263 is an equidigital number, since it uses as much as digits as its factorization.

172453542263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 44.

The spelling of 172453542263 in words is "one hundred seventy-two billion, four hundred fifty-three million, five hundred forty-two thousand, two hundred sixty-three".