89268914621 has 2 divisors, whose sum is σ = 89268914622. Its totient is φ = 89268914620.

The previous prime is 89268914561. The next prime is 89268914627. The reversal of 89268914621 is 12641986298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78842462521 + 10426452100 = 280789^2 + 102110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89268914621 is a prime.

It is a super-2 number, since 2×89268914621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89268914627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44634457310 + 44634457311.

It is an arithmetic number, because the mean of its divisors is an integer number (44634457311).

Almost surely, 2^89268914621 is an apocalyptic number.

It is an amenable number.

89268914621 is a deficient number, since it is larger than the sum of its proper divisors (1).

89268914621 is an equidigital number, since it uses as much as digits as its factorization.

89268914621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 56.

The spelling of 89268914621 in words is "eighty-nine billion, two hundred sixty-eight million, nine hundred fourteen thousand, six hundred twenty-one".