10089197557 has 2 divisors, whose sum is σ = 10089197558. Its totient is φ = 10089197556.

The previous prime is 10089197539. The next prime is 10089197579. The reversal of 10089197557 is 75579198001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10023814161 + 65383396 = 100119^2 + 8086^2 .

It is a cyclic number.

It is not a de Polignac number, because 10089197557 - 2³¹ = 7941713909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10089191557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044598778 + 5044598779.

It is an arithmetic number, because the mean of its divisors is an integer number (5044598779).

Almost surely, 2^10089197557 is an apocalyptic number.

It is an amenable number.

10089197557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10089197557 is an equidigital number, since it uses as much as digits as its factorization.

10089197557 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 52.

The spelling of 10089197557 in words is "ten billion, eighty-nine million, one hundred ninety-seven thousand, five hundred fifty-seven".