99092170431 has 12 divisors (see below), whose sum is σ = 143136258408. Its totient is φ = 66060005424.

The previous prime is 99092170423. The next prime is 99092170433. The reversal of 99092170431 is 13407129099.

It is not a de Polignac number, because 99092170431 - 2³ = 99092170423 is a prime.

It is a super-2 number, since 2×99092170431² (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 (99092170433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465481 + ... + 644093.

It is an arithmetic number, because the mean of its divisors is an integer number (11928021534).

Almost surely, 2^99092170431 is an apocalyptic number.

99092170431 is a deficient number, since it is larger than the sum of its proper divisors (44044087977).

99092170431 is a wasteful number, since it uses less digits than its factorization.

99092170431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240262 (or 240259 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 99092170431 in words is "ninety-nine billion, ninety-two million, one hundred seventy thousand, four hundred thirty-one".