15457674761 has 2 divisors, whose sum is σ = 15457674762. Its totient is φ = 15457674760.

The previous prime is 15457674731. The next prime is 15457674767. The reversal of 15457674761 is 16747675451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14684834761 + 772840000 = 121181^2 + 27800^2 .

It is a cyclic number.

It is not a de Polignac number, because 15457674761 - 2⁶ = 15457674697 is a prime.

It is not a weakly prime, because it can be changed into another prime (15457674767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7728837380 + 7728837381.

It is an arithmetic number, because the mean of its divisors is an integer number (7728837381).

Almost surely, 2^15457674761 is an apocalyptic number.

It is an amenable number.

15457674761 is a deficient number, since it is larger than the sum of its proper divisors (1).

15457674761 is an equidigital number, since it uses as much as digits as its factorization.

15457674761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 53.

The spelling of 15457674761 in words is "fifteen billion, four hundred fifty-seven million, six hundred seventy-four thousand, seven hundred sixty-one".