90373387251 has 16 divisors (see below), whose sum is σ = 145812524544. Its totient is φ = 48604174464.

The previous prime is 90373387241. The next prime is 90373387259. The reversal of 90373387251 is 15278337309.

It is not a de Polignac number, because 90373387251 - 2¹⁹ = 90372862963 is a prime.

It is a super-3 number, since 3×90373387251³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90373387251.

It is not an unprimeable number, because it can be changed into a prime (90373387259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126573015 + ... + 126573728.

It is an arithmetic number, because the mean of its divisors is an integer number (9113282784).

Almost surely, 2^90373387251 is an apocalyptic number.

90373387251 is a deficient number, since it is larger than the sum of its proper divisors (55439137293).

90373387251 is a wasteful number, since it uses less digits than its factorization.

90373387251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253146770.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 90373387251 in words is "ninety billion, three hundred seventy-three million, three hundred eighty-seven thousand, two hundred fifty-one".