275572973749 has 2 divisors, whose sum is σ = 275572973750. Its totient is φ = 275572973748.

The previous prime is 275572973717. The next prime is 275572973791. The reversal of 275572973749 is 947379275572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271826676900 + 3746296849 = 521370^2 + 61207^2 .

It is a cyclic number.

It is not a de Polignac number, because 275572973749 - 2⁵ = 275572973717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275572970749) 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, 137786486874 + 137786486875.

It is an arithmetic number, because the mean of its divisors is an integer number (137786486875).

Almost surely, 2^275572973749 is an apocalyptic number.

It is an amenable number.

275572973749 is a deficient number, since it is larger than the sum of its proper divisors (1).

275572973749 is an equidigital number, since it uses as much as digits as its factorization.

275572973749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233377200, while the sum is 67.

The spelling of 275572973749 in words is "two hundred seventy-five billion, five hundred seventy-two million, nine hundred seventy-three thousand, seven hundred forty-nine".