896519056621 has 2 divisors, whose sum is σ = 896519056622. Its totient is φ = 896519056620.

The previous prime is 896519056613. The next prime is 896519056627. The reversal of 896519056621 is 126650915698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879328175625 + 17190880996 = 937725^2 + 131114^2 .

It is a cyclic number.

It is not a de Polignac number, because 896519056621 - 2³ = 896519056613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (896519056627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448259528310 + 448259528311.

It is an arithmetic number, because the mean of its divisors is an integer number (448259528311).

Almost surely, 2^896519056621 is an apocalyptic number.

It is an amenable number.

896519056621 is a deficient number, since it is larger than the sum of its proper divisors (1).

896519056621 is an equidigital number, since it uses as much as digits as its factorization.

896519056621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 896519056621 in words is "eight hundred ninety-six billion, five hundred nineteen million, fifty-six thousand, six hundred twenty-one".