90563315673 has 16 divisors (see below), whose sum is σ = 121300220160. Its totient is φ = 60101161344.

The previous prime is 90563315641. The next prime is 90563315677. The reversal of 90563315673 is 37651336509.

It is a happy number.

It is not a de Polignac number, because 90563315673 - 2⁵ = 90563315641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90563315677) 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, 2095915 + ... + 2138687.

It is an arithmetic number, because the mean of its divisors is an integer number (7581263760).

Almost surely, 2^90563315673 is an apocalyptic number.

It is an amenable number.

90563315673 is a deficient number, since it is larger than the sum of its proper divisors (30736904487).

90563315673 is a wasteful number, since it uses less digits than its factorization.

90563315673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45968.

The product of its (nonzero) digits is 1530900, while the sum is 48.

The spelling of 90563315673 in words is "ninety billion, five hundred sixty-three million, three hundred fifteen thousand, six hundred seventy-three".