202605451400431 has 8 divisors (see below), whose sum is σ = 213475352084720. Its totient is φ = 191756196303552.

The previous prime is 202605451400389. The next prime is 202605451400447. The reversal of 202605451400431 is 134004154506202.

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

It is a cyclic number.

It is not a de Polignac number, because 202605451400431 - 2²³ = 202605443011823 is a prime.

It is a super-2 number, since 2×202605451400431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202605451406431) 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, 5161376700 + ... + 5161415953.

It is an arithmetic number, because the mean of its divisors is an integer number (26684419010590).

Almost surely, 2^{202605451400431} is an apocalyptic number.

202605451400431 is a deficient number, since it is larger than the sum of its proper divisors (10869900684289).

202605451400431 is a wasteful number, since it uses less digits than its factorization.

202605451400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322793705.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 202605451400431 in words is "two hundred two trillion, six hundred five billion, four hundred fifty-one million, four hundred thousand, four hundred thirty-one".