271869430921 has 27 divisors (see below), whose sum is σ = 302333073133. Its totient is φ = 244291481720.

The previous prime is 271869430913. The next prime is 271869430957. The reversal of 271869430921 is 129034968172.

The square root of 271869430921 is 521411.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 271869430921 - 2³ = 271869430913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271869430901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 613700526 + ... + 613700968.

Almost surely, 2^271869430921 is an apocalyptic number.

271869430921 is the 521411-st square number.

271869430921 is the 260706-th centered octagonal number.

It is an amenable number.

271869430921 is a deficient number, since it is larger than the sum of its proper divisors (30463642212).

271869430921 is an frugal number, since it uses more digits than its factorization.

271869430921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 271869430921 in words is "two hundred seventy-one billion, eight hundred sixty-nine million, four hundred thirty thousand, nine hundred twenty-one".