89756501949 has 16 divisors (see below), whose sum is σ = 133110144640. Its totient is φ = 59775770880.

The previous prime is 89756501903. The next prime is 89756501969. The reversal of 89756501949 is 94910565798.

89756501949 is a `hidden beast` number, since 89 + 7 + 5 + 6 + 501 + 9 + 49 = 666.

It is not a de Polignac number, because 89756501949 - 2³⁵ = 55396763581 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 (89756501969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692772 + ... + 1744989.

It is an arithmetic number, because the mean of its divisors is an integer number (8319384040).

Almost surely, 2^89756501949 is an apocalyptic number.

It is an amenable number.

89756501949 is a deficient number, since it is larger than the sum of its proper divisors (43353642691).

89756501949 is a wasteful number, since it uses less digits than its factorization.

89756501949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438737 (or 3438731 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 89756501949 in words is "eighty-nine billion, seven hundred fifty-six million, five hundred one thousand, nine hundred forty-nine".