90684725371 has 2 divisors, whose sum is σ = 90684725372. Its totient is φ = 90684725370.

The previous prime is 90684725357. The next prime is 90684725419. The reversal of 90684725371 is 17352748609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90684725371 - 2²⁷ = 90550507643 is a prime.

It is a super-2 number, since 2×90684725371² (a number of 23 digits) contains 22 as substring.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45342362685 + 45342362686.

It is an arithmetic number, because the mean of its divisors is an integer number (45342362686).

It is a 2-persistent number, because it is pandigital, and so is 2⋅90684725371 = 181369450742, but 3⋅90684725371 = 272054176113 is not.

Almost surely, 2^90684725371 is an apocalyptic number.

90684725371 is a deficient number, since it is larger than the sum of its proper divisors (1).

90684725371 is an equidigital number, since it uses as much as digits as its factorization.

90684725371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 90684725371 in words is "ninety billion, six hundred eighty-four million, seven hundred twenty-five thousand, three hundred seventy-one".