891053713751 has 2 divisors, whose sum is σ = 891053713752. Its totient is φ = 891053713750.

The previous prime is 891053713603. The next prime is 891053713807. The reversal of 891053713751 is 157317350198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 891053713751 - 2¹⁰ = 891053712727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 891053713751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (891053713051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445526856875 + 445526856876.

It is an arithmetic number, because the mean of its divisors is an integer number (445526856876).

Almost surely, 2^891053713751 is an apocalyptic number.

891053713751 is a deficient number, since it is larger than the sum of its proper divisors (1).

891053713751 is an equidigital number, since it uses as much as digits as its factorization.

891053713751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 891053713751 in words is "eight hundred ninety-one billion, fifty-three million, seven hundred thirteen thousand, seven hundred fifty-one".