641115234 has 12 divisors (see below), whose sum is σ = 1389083046. Its totient is φ = 213705072.

The previous prime is 641115229. The next prime is 641115253. The reversal of 641115234 is 432511146.

It is a happy number.

641115234 is a `hidden beast` number, since 6 + 411 + 15 + 234 = 666.

It can be written as a sum of positive squares in only one way, i.e., 453562209 + 187553025 = 21297^2 + 13695^2 .

It is a super-2 number, since 2×641115234² = 822057486533749512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641115198 and 641115207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17808739 + ... + 17808774.

Almost surely, 2^641115234 is an apocalyptic number.

641115234 is an abundant number, since it is smaller than the sum of its proper divisors (747967812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641115234 is a wasteful number, since it uses less digits than its factorization.

641115234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35617521 (or 35617518 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 641115234 is about 25320.2534347506. The cubic root of 641115234 is about 862.2741477954.

The spelling of 641115234 in words is "six hundred forty-one million, one hundred fifteen thousand, two hundred thirty-four".