90693730063 has 4 divisors (see below), whose sum is σ = 90724403880. Its totient is φ = 90663056248.

The previous prime is 90693730051. The next prime is 90693730067. The reversal of 90693730063 is 36003739609.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36003739609 = 23 ⋅1565379983.

It is a cyclic number.

It is not a de Polignac number, because 90693730063 - 2⁹ = 90693729551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90693729995 and 90693730022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90693730067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15332473 + ... + 15338386.

It is an arithmetic number, because the mean of its divisors is an integer number (22681100970).

Almost surely, 2^90693730063 is an apocalyptic number.

90693730063 is a deficient number, since it is larger than the sum of its proper divisors (30673817).

90693730063 is a wasteful number, since it uses less digits than its factorization.

90693730063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30673816.

The product of its (nonzero) digits is 551124, while the sum is 46.

The spelling of 90693730063 in words is "ninety billion, six hundred ninety-three million, seven hundred thirty thousand, sixty-three".