899358653 has 4 divisors (see below), whose sum is σ = 914602080. Its totient is φ = 884115228.

The previous prime is 899358569. The next prime is 899358671. The reversal of 899358653 is 356853998.

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 899358653 - 2¹⁶ = 899293117 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 (899358553) 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, 7621625 + ... + 7621742.

It is an arithmetic number, because the mean of its divisors is an integer number (228650520).

Almost surely, 2^899358653 is an apocalyptic number.

It is an amenable number.

899358653 is a deficient number, since it is larger than the sum of its proper divisors (15243427).

899358653 is a wasteful number, since it uses less digits than its factorization.

899358653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243426.

The product of its digits is 6998400, while the sum is 56.

The square root of 899358653 is about 29989.3089783676. The cubic root of 899358653 is about 965.2599916930.

The spelling of 899358653 in words is "eight hundred ninety-nine million, three hundred fifty-eight thousand, six hundred fifty-three".