747455314215773 has 2 divisors, whose sum is σ = 747455314215774. Its totient is φ = 747455314215772.

The previous prime is 747455314215703. The next prime is 747455314215781. The reversal of 747455314215773 is 377512413554747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734957413569604 + 12497900646169 = 27110098^2 + 3535237^2 .

It is an emirp because it is prime and its reverse (377512413554747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747455314215773 - 2²⁰ = 747455313167197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747455314215703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373727657107886 + 373727657107887.

It is an arithmetic number, because the mean of its divisors is an integer number (373727657107887).

Almost surely, 2^{747455314215773} is an apocalyptic number.

It is an amenable number.

747455314215773 is a deficient number, since it is larger than the sum of its proper divisors (1).

747455314215773 is an equidigital number, since it uses as much as digits as its factorization.

747455314215773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345744000, while the sum is 65.

The spelling of 747455314215773 in words is "seven hundred forty-seven trillion, four hundred fifty-five billion, three hundred fourteen million, two hundred fifteen thousand, seven hundred seventy-three".