275072731537 has 2 divisors, whose sum is σ = 275072731538. Its totient is φ = 275072731536.

The previous prime is 275072731499. The next prime is 275072731579. The reversal of 275072731537 is 735137270572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274407297921 + 665433616 = 523839^2 + 25796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275072731537 is a prime.

It is not a weakly prime, because it can be changed into another prime (275072731597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137536365768 + 137536365769.

It is an arithmetic number, because the mean of its divisors is an integer number (137536365769).

Almost surely, 2^275072731537 is an apocalyptic number.

It is an amenable number.

275072731537 is a deficient number, since it is larger than the sum of its proper divisors (1).

275072731537 is an equidigital number, since it uses as much as digits as its factorization.

275072731537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160900, while the sum is 49.

The spelling of 275072731537 in words is "two hundred seventy-five billion, seventy-two million, seven hundred thirty-one thousand, five hundred thirty-seven".