747546957457 has 2 divisors, whose sum is σ = 747546957458. Its totient is φ = 747546957456.

The previous prime is 747546957413. The next prime is 747546957499. The reversal of 747546957457 is 754759645747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732400486416 + 15146471041 = 855804^2 + 123071^2 .

It is a cyclic number.

It is not a de Polignac number, because 747546957457 - 2¹⁵ = 747546924689 is a prime.

It is not a weakly prime, because it can be changed into another prime (747546954457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373773478728 + 373773478729.

It is an arithmetic number, because the mean of its divisors is an integer number (373773478729).

Almost surely, 2^747546957457 is an apocalyptic number.

It is an amenable number.

747546957457 is a deficient number, since it is larger than the sum of its proper divisors (1).

747546957457 is an equidigital number, since it uses as much as digits as its factorization.

747546957457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1037232000, while the sum is 70.

The spelling of 747546957457 in words is "seven hundred forty-seven billion, five hundred forty-six million, nine hundred fifty-seven thousand, four hundred fifty-seven".