170030048409 has 81 divisors (see below), whose sum is σ = 271202281623. Its totient is φ = 102605128704.

The previous prime is 170030048387. The next prime is 170030048437. The reversal of 170030048409 is 904840030071.

It is a happy number.

The square root of 170030048409 is 412347.

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

170030048409 is a `hidden beast` number, since 170 + 0 + 3 + 0 + 0 + 484 + 0 + 9 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 124148408409 + 45881640000 = 352347^2 + 214200^2 .

It is not a de Polignac number, because 170030048409 - 2²¹ = 170027951257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170030048479) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1559908647 + ... + 1559908755.

Almost surely, 2^170030048409 is an apocalyptic number.

170030048409 is the 412347-th square number.

170030048409 is the 206174-th centered octagonal number.

It is an amenable number.

170030048409 is a deficient number, since it is larger than the sum of its proper divisors (101172233214).

170030048409 is an equidigital number, since it uses as much as digits as its factorization.

170030048409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Multiplying 170030048409 by its sum of digits (36), we get a square (6121081742724 = 2474082²).

The spelling of 170030048409 in words is "one hundred seventy billion, thirty million, forty-eight thousand, four hundred nine".