90368389653 has 4 divisors (see below), whose sum is σ = 120491186208. Its totient is φ = 60245593100.

The previous prime is 90368389649. The next prime is 90368389667. The reversal of 90368389653 is 35698386309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90368389653 - 2² = 90368389649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90368389613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061398273 + ... + 15061398278.

It is an arithmetic number, because the mean of its divisors is an integer number (30122796552).

Almost surely, 2^90368389653 is an apocalyptic number.

It is an amenable number.

90368389653 is a deficient number, since it is larger than the sum of its proper divisors (30122796555).

90368389653 is a wasteful number, since it uses less digits than its factorization.

90368389653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30122796554.

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 90368389653 in words is "ninety billion, three hundred sixty-eight million, three hundred eighty-nine thousand, six hundred fifty-three".