89557649393 has 4 divisors (see below), whose sum is σ = 89558817648. Its totient is φ = 89556481140.

The previous prime is 89557649387. The next prime is 89557649411. The reversal of 89557649393 is 39394675598.

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 89557649393 - 2¹² = 89557645297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89557649893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460403 + ... + 625368.

It is an arithmetic number, because the mean of its divisors is an integer number (22389704412).

Almost surely, 2^89557649393 is an apocalyptic number.

It is an amenable number.

89557649393 is a deficient number, since it is larger than the sum of its proper divisors (1168255).

89557649393 is a wasteful number, since it uses less digits than its factorization.

89557649393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168254.

The product of its digits is 220449600, while the sum is 68.

The spelling of 89557649393 in words is "eighty-nine billion, five hundred fifty-seven million, six hundred forty-nine thousand, three hundred ninety-three".