89644570052629 has 2 divisors, whose sum is σ = 89644570052630. Its totient is φ = 89644570052628.

The previous prime is 89644570052623. The next prime is 89644570052659. The reversal of 89644570052629 is 92625007544698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89014884952900 + 629685099729 = 9434770^2 + 793527^2 .

It is a cyclic number.

It is not a de Polignac number, because 89644570052629 - 2¹⁹ = 89644569528341 is a prime.

It is a super-2 number, since 2×89644570052629² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89644570052623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44822285026314 + 44822285026315.

It is an arithmetic number, because the mean of its divisors is an integer number (44822285026315).

Almost surely, 2^{89644570052629} is an apocalyptic number.

It is an amenable number.

89644570052629 is a deficient number, since it is larger than the sum of its proper divisors (1).

89644570052629 is an equidigital number, since it uses as much as digits as its factorization.

89644570052629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 261273600, while the sum is 67.

The spelling of 89644570052629 in words is "eighty-nine trillion, six hundred forty-four billion, five hundred seventy million, fifty-two thousand, six hundred twenty-nine".