71902286745461 has 2 divisors, whose sum is σ = 71902286745462. Its totient is φ = 71902286745460.

The previous prime is 71902286745449. The next prime is 71902286745493. The reversal of 71902286745461 is 16454768220917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68687114997361 + 3215171748100 = 8287769^2 + 1793090^2 .

It is a cyclic number.

It is not a de Polignac number, because 71902286745461 - 2³⁴ = 71885106876277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71902286745394 and 71902286745403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71902286745661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35951143372730 + 35951143372731.

It is an arithmetic number, because the mean of its divisors is an integer number (35951143372731).

Almost surely, 2^{71902286745461} is an apocalyptic number.

It is an amenable number.

71902286745461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71902286745461 is an equidigital number, since it uses as much as digits as its factorization.

71902286745461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 71902286745461 in words is "seventy-one trillion, nine hundred two billion, two hundred eighty-six million, seven hundred forty-five thousand, four hundred sixty-one".