10019767957 has 2 divisors, whose sum is σ = 10019767958. Its totient is φ = 10019767956.

The previous prime is 10019767939. The next prime is 10019767963. The reversal of 10019767957 is 75976791001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9356499441 + 663268516 = 96729^2 + 25754^2 .

It is a cyclic number.

It is not a de Polignac number, because 10019767957 - 2¹¹ = 10019765909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10019767907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5009883978 + 5009883979.

It is an arithmetic number, because the mean of its divisors is an integer number (5009883979).

Almost surely, 2^10019767957 is an apocalyptic number.

It is an amenable number.

10019767957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10019767957 is an equidigital number, since it uses as much as digits as its factorization.

10019767957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 833490, while the sum is 52.

The spelling of 10019767957 in words is "ten billion, nineteen million, seven hundred sixty-seven thousand, nine hundred fifty-seven".