275039345797 has 2 divisors, whose sum is σ = 275039345798. Its totient is φ = 275039345796.

The previous prime is 275039345717. The next prime is 275039345809. The reversal of 275039345797 is 797543930572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266257032001 + 8782313796 = 516001^2 + 93714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275039345797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275039345717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137519672898 + 137519672899.

It is an arithmetic number, because the mean of its divisors is an integer number (137519672899).

Almost surely, 2^275039345797 is an apocalyptic number.

It is an amenable number.

275039345797 is a deficient number, since it is larger than the sum of its proper divisors (1).

275039345797 is an equidigital number, since it uses as much as digits as its factorization.

275039345797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50009400, while the sum is 61.

The spelling of 275039345797 in words is "two hundred seventy-five billion, thirty-nine million, three hundred forty-five thousand, seven hundred ninety-seven".