10391967457 has 2 divisors, whose sum is σ = 10391967458. Its totient is φ = 10391967456.

The previous prime is 10391967413. The next prime is 10391967491. The reversal of 10391967457 is 75476919301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10338619041 + 53348416 = 101679^2 + 7304^2 .

It is a cyclic number.

It is not a de Polignac number, because 10391967457 - 2²⁷ = 10257749729 is a prime.

It is not a weakly prime, because it can be changed into another prime (10391997457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195983728 + 5195983729.

It is an arithmetic number, because the mean of its divisors is an integer number (5195983729).

Almost surely, 2^10391967457 is an apocalyptic number.

It is an amenable number.

10391967457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10391967457 is an equidigital number, since it uses as much as digits as its factorization.

10391967457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 10391967457 in words is "ten billion, three hundred ninety-one million, nine hundred sixty-seven thousand, four hundred fifty-seven".