89316749453 has 2 divisors, whose sum is σ = 89316749454. Its totient is φ = 89316749452.

The previous prime is 89316749443. The next prime is 89316749461. The reversal of 89316749453 is 35494761398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72160465129 + 17156284324 = 268627^2 + 130982^2 .

It is a cyclic number.

It is not a de Polignac number, because 89316749453 - 2¹⁰ = 89316748429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89316749392 and 89316749401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89316749443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44658374726 + 44658374727.

It is an arithmetic number, because the mean of its divisors is an integer number (44658374727).

Almost surely, 2^89316749453 is an apocalyptic number.

It is an amenable number.

89316749453 is a deficient number, since it is larger than the sum of its proper divisors (1).

89316749453 is an equidigital number, since it uses as much as digits as its factorization.

89316749453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The spelling of 89316749453 in words is "eighty-nine billion, three hundred sixteen million, seven hundred forty-nine thousand, four hundred fifty-three".