235260891369 has 45 divisors (see below), whose sum is σ = 408870029997. Its totient is φ = 134417333736.

The previous prime is 235260891343. The next prime is 235260891391. The reversal of 235260891369 is 963198062532.

The square root of 235260891369 is 485037.

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

235260891369 is a `hidden beast` number, since 2 + 3 + 526 + 0 + 89 + 1 + 36 + 9 = 666.

It is not a de Polignac number, because 235260891369 - 2³⁵ = 200901153001 is a prime.

It is a super-2 number, since 2×235260891369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (235260891169) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 30553482 + ... + 30561180.

Almost surely, 2^235260891369 is an apocalyptic number.

235260891369 is the 485037-th square number.

235260891369 is the 242519-th centered octagonal number.

It is an amenable number.

235260891369 is a deficient number, since it is larger than the sum of its proper divisors (173609138628).

235260891369 is an frugal number, since it uses more digits than its factorization.

235260891369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15424 (or 7709 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 235260891369 in words is "two hundred thirty-five billion, two hundred sixty million, eight hundred ninety-one thousand, three hundred sixty-nine".