89024632421 has 2 divisors, whose sum is σ = 89024632422. Its totient is φ = 89024632420.

The previous prime is 89024632391. The next prime is 89024632453. The reversal of 89024632421 is 12423642098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51910609921 + 37114022500 = 227839^2 + 192650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89024632421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89024632321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44512316210 + 44512316211.

It is an arithmetic number, because the mean of its divisors is an integer number (44512316211).

Almost surely, 2^89024632421 is an apocalyptic number.

It is an amenable number.

89024632421 is a deficient number, since it is larger than the sum of its proper divisors (1).

89024632421 is an equidigital number, since it uses as much as digits as its factorization.

89024632421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 89024632421 in words is "eighty-nine billion, twenty-four million, six hundred thirty-two thousand, four hundred twenty-one".