89753523491 has 2 divisors, whose sum is σ = 89753523492. Its totient is φ = 89753523490.

The previous prime is 89753523473. The next prime is 89753523511. The reversal of 89753523491 is 19432535798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89753523491 - 2⁶ = 89753523427 is a prime.

It is not a weakly prime, because it can be changed into another prime (89753522491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44876761745 + 44876761746.

It is an arithmetic number, because the mean of its divisors is an integer number (44876761746).

Almost surely, 2^89753523491 is an apocalyptic number.

89753523491 is a deficient number, since it is larger than the sum of its proper divisors (1).

89753523491 is an equidigital number, since it uses as much as digits as its factorization.

89753523491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The spelling of 89753523491 in words is "eighty-nine billion, seven hundred fifty-three million, five hundred twenty-three thousand, four hundred ninety-one".