275402937881 has 2 divisors, whose sum is σ = 275402937882. Its totient is φ = 275402937880.

The previous prime is 275402937853. The next prime is 275402937947. The reversal of 275402937881 is 188739204572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269215699600 + 6187238281 = 518860^2 + 78659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275402937881 is a prime.

It is a super-2 number, since 2×275402937881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275402937281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137701468940 + 137701468941.

It is an arithmetic number, because the mean of its divisors is an integer number (137701468941).

Almost surely, 2^275402937881 is an apocalyptic number.

It is an amenable number.

275402937881 is a deficient number, since it is larger than the sum of its proper divisors (1).

275402937881 is an equidigital number, since it uses as much as digits as its factorization.

275402937881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 275402937881 in words is "two hundred seventy-five billion, four hundred two million, nine hundred thirty-seven thousand, eight hundred eighty-one".