71902286745493 has 2 divisors, whose sum is σ = 71902286745494. Its totient is φ = 71902286745492.

The previous prime is 71902286745461. The next prime is 71902286745529. The reversal of 71902286745493 is 39454768220917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67155435404964 + 4746851340529 = 8194842^2 + 2178727^2 .

It is a cyclic number.

It is not a de Polignac number, because 71902286745493 - 2⁵ = 71902286745461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71902286745893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35951143372746 + 35951143372747.

It is an arithmetic number, because the mean of its divisors is an integer number (35951143372747).

It is a 1-persistent number, because it is pandigital, but 2⋅71902286745493 = 143804573490986 is not.

Almost surely, 2^{71902286745493} is an apocalyptic number.

It is an amenable number.

71902286745493 is a deficient number, since it is larger than the sum of its proper divisors (1).

71902286745493 is an equidigital number, since it uses as much as digits as its factorization.

71902286745493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 71902286745493 in words is "seventy-one trillion, nine hundred two billion, two hundred eighty-six million, seven hundred forty-five thousand, four hundred ninety-three".