89659144942 has 32 divisors (see below), whose sum is σ = 142200115200. Its totient is φ = 42331433760.

The previous prime is 89659144919. The next prime is 89659144943. The reversal of 89659144942 is 24944195698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89659144943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684059 + ... + 2717257.

It is an arithmetic number, because the mean of its divisors is an integer number (4443753600).

Almost surely, 2^89659144942 is an apocalyptic number.

89659144942 is a deficient number, since it is larger than the sum of its proper divisors (52540970258).

89659144942 is a wasteful number, since it uses less digits than its factorization.

89659144942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34288.

The product of its digits is 22394880, while the sum is 61.

The spelling of 89659144942 in words is "eighty-nine billion, six hundred fifty-nine million, one hundred forty-four thousand, nine hundred forty-two".