90738536109 has 16 divisors (see below), whose sum is σ = 130301035200. Its totient is φ = 55834897536.

The previous prime is 90738536101. The next prime is 90738536129. The reversal of 90738536109 is 90163583709.

It is not a de Polignac number, because 90738536109 - 2³ = 90738536101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90738536101) 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, 484782 + ... + 645360.

It is an arithmetic number, because the mean of its divisors is an integer number (8143814700).

Almost surely, 2^90738536109 is an apocalyptic number.

It is an amenable number.

90738536109 is a deficient number, since it is larger than the sum of its proper divisors (39562499091).

90738536109 is a wasteful number, since it uses less digits than its factorization.

90738536109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175084.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 90738536109 in words is "ninety billion, seven hundred thirty-eight million, five hundred thirty-six thousand, one hundred nine".