275164321969 has 2 divisors, whose sum is σ = 275164321970. Its totient is φ = 275164321968.

The previous prime is 275164321963. The next prime is 275164322009. The reversal of 275164321969 is 969123461572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220449030400 + 54715291569 = 469520^2 + 233913^2 .

It is a cyclic number.

It is not a de Polignac number, because 275164321969 - 2⁵ = 275164321937 is a prime.

It is a super-2 number, since 2×275164321969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275164321963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137582160984 + 137582160985.

It is an arithmetic number, because the mean of its divisors is an integer number (137582160985).

Almost surely, 2^275164321969 is an apocalyptic number.

It is an amenable number.

275164321969 is a deficient number, since it is larger than the sum of its proper divisors (1).

275164321969 is an equidigital number, since it uses as much as digits as its factorization.

275164321969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The spelling of 275164321969 in words is "two hundred seventy-five billion, one hundred sixty-four million, three hundred twenty-one thousand, nine hundred sixty-nine".