6118431965 has 12 divisors (see below), whose sum is σ = 7748886204. Its totient is φ = 4637126016.

The previous prime is 6118431931. The next prime is 6118432051. The reversal of 6118431965 is 5691348116.

It can be written as a sum of positive squares in 2 ways, for example, as 4374367321 + 1744064644 = 66139^2 + 41762^2 .

It is not a de Polignac number, because 6118431965 - 2²⁴ = 6101654749 is a prime.

It is a super-2 number, since 2×6118431965² = 74870419420667522450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693052 + ... + 1696661.

It is an arithmetic number, because the mean of its divisors is an integer number (645740517).

Almost surely, 2^6118431965 is an apocalyptic number.

It is an amenable number.

6118431965 is a deficient number, since it is larger than the sum of its proper divisors (1630454239).

6118431965 is a wasteful number, since it uses less digits than its factorization.

6118431965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389756 (or 3389737 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 6118431965 is about 78220.4063208572. The cubic root of 6118431965 is about 1828.9986225197.

The spelling of 6118431965 in words is "six billion, one hundred eighteen million, four hundred thirty-one thousand, nine hundred sixty-five".