275927745405 has 32 divisors (see below), whose sum is σ = 477434119680. Its totient is φ = 135272954880.

The previous prime is 275927745349. The next prime is 275927745413. The reversal of 275927745405 is 504547729572.

It is not a de Polignac number, because 275927745405 - 2⁹ = 275927744893 is a prime.

It is a super-2 number, since 2×275927745405² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2913676 + ... + 3006885.

It is an arithmetic number, because the mean of its divisors is an integer number (14919816240).

Almost surely, 2^275927745405 is an apocalyptic number.

It is an amenable number.

275927745405 is a deficient number, since it is larger than the sum of its proper divisors (201506374275).

275927745405 is a wasteful number, since it uses less digits than its factorization.

275927745405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920821.

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 275927745405 in words is "two hundred seventy-five billion, nine hundred twenty-seven million, seven hundred forty-five thousand, four hundred five".