275436121630 has 32 divisors (see below), whose sum is σ = 506093590944. Its totient is φ = 107902667136.

The previous prime is 275436121607. The next prime is 275436121633. The reversal of 275436121630 is 36121634572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275436121633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072237 + ... + 1304056.

It is an arithmetic number, because the mean of its divisors is an integer number (15815424717).

Almost surely, 2^275436121630 is an apocalyptic number.

275436121630 is a deficient number, since it is larger than the sum of its proper divisors (230657469314).

275436121630 is a wasteful number, since it uses less digits than its factorization.

275436121630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376540.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 275436121630 in words is "two hundred seventy-five billion, four hundred thirty-six million, one hundred twenty-one thousand, six hundred thirty".