270999252821 has 16 divisors (see below), whose sum is σ = 300155227008. Its totient is φ = 242622993600.

The previous prime is 270999252787. The next prime is 270999252827. The reversal of 270999252821 is 128252999072.

It is a cyclic number.

It is not a de Polignac number, because 270999252821 - 2²⁶ = 270932143957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270999252827) 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, 455666 + ... + 865811.

It is an arithmetic number, because the mean of its divisors is an integer number (18759701688).

Almost surely, 2^270999252821 is an apocalyptic number.

It is an amenable number.

270999252821 is a deficient number, since it is larger than the sum of its proper divisors (29155974187).

270999252821 is a wasteful number, since it uses less digits than its factorization.

270999252821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321772.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 270999252821 in words is "two hundred seventy billion, nine hundred ninety-nine million, two hundred fifty-two thousand, eight hundred twenty-one".