731277865061 has 2 divisors, whose sum is σ = 731277865062. Its totient is φ = 731277865060.

The previous prime is 731277865013. The next prime is 731277865079. The reversal of 731277865061 is 160568772137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659212462561 + 72065402500 = 811919^2 + 268450^2 .

It is a cyclic number.

It is not a de Polignac number, because 731277865061 - 2⁶ = 731277864997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731277864994 and 731277865012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731277865261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365638932530 + 365638932531.

It is an arithmetic number, because the mean of its divisors is an integer number (365638932531).

Almost surely, 2^731277865061 is an apocalyptic number.

It is an amenable number.

731277865061 is a deficient number, since it is larger than the sum of its proper divisors (1).

731277865061 is an equidigital number, since it uses as much as digits as its factorization.

731277865061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 731277865061 in words is "seven hundred thirty-one billion, two hundred seventy-seven million, eight hundred sixty-five thousand, sixty-one".