90412449874 has 8 divisors (see below), whose sum is σ = 135636493068. Its totient is φ = 45200285520.

The previous prime is 90412449833. The next prime is 90412449947. The reversal of 90412449874 is 47894421409.

It can be written as a sum of positive squares in 2 ways, for example, as 89375287849 + 1037162025 = 298957^2 + 32205^2 .

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

It is a super-2 number, since 2×90412449874² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950657 + ... + 2981140.

Almost surely, 2^90412449874 is an apocalyptic number.

90412449874 is a deficient number, since it is larger than the sum of its proper divisors (45224043194).

90412449874 is a wasteful number, since it uses less digits than its factorization.

90412449874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939420.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 90412449874 in words is "ninety billion, four hundred twelve million, four hundred forty-nine thousand, eight hundred seventy-four".