275275001389 has 2 divisors, whose sum is σ = 275275001390. Its totient is φ = 275275001388.

The previous prime is 275275001371. The next prime is 275275001399. The reversal of 275275001389 is 983100572572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200372616900 + 74902384489 = 447630^2 + 273683^2 .

It is a cyclic number.

It is not a de Polignac number, because 275275001389 - 2⁵ = 275275001357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275275001399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137637500694 + 137637500695.

It is an arithmetic number, because the mean of its divisors is an integer number (137637500695).

Almost surely, 2^275275001389 is an apocalyptic number.

It is an amenable number.

275275001389 is a deficient number, since it is larger than the sum of its proper divisors (1).

275275001389 is an equidigital number, since it uses as much as digits as its factorization.

275275001389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 275275001389 in words is "two hundred seventy-five billion, two hundred seventy-five million, one thousand, three hundred eighty-nine".