90489692094 has 16 divisors (see below), whose sum is σ = 181623442320. Its totient is φ = 30055887680.

The previous prime is 90489692077. The next prime is 90489692131. The reversal of 90489692094 is 49029698409.

It is a super-2 number, since 2×90489692094² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26833929 + ... + 26837300.

It is an arithmetic number, because the mean of its divisors is an integer number (11351465145).

Almost surely, 2^90489692094 is an apocalyptic number.

90489692094 is an abundant number, since it is smaller than the sum of its proper divisors (91133750226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90489692094 is a wasteful number, since it uses less digits than its factorization.

90489692094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53671515.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 90489692094 in words is "ninety billion, four hundred eighty-nine million, six hundred ninety-two thousand, ninety-four".