99650653 has 4 divisors (see below), whose sum is σ = 101530908. Its totient is φ = 97770400.

The previous prime is 99650609. The next prime is 99650671. The reversal of 99650653 is 35605699.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36638809 + 63011844 = 6053^2 + 7938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99650653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99650693) 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, 940048 + ... + 940153.

It is an arithmetic number, because the mean of its divisors is an integer number (25382727).

Almost surely, 2^99650653 is an apocalyptic number.

It is an amenable number.

99650653 is a deficient number, since it is larger than the sum of its proper divisors (1880255).

99650653 is a wasteful number, since it uses less digits than its factorization.

99650653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880254.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 99650653 is about 9982.5173678787. The cubic root of 99650653 is about 463.6177443422.

The spelling of 99650653 in words is "ninety-nine million, six hundred fifty thousand, six hundred fifty-three".