6415618842 has 24 divisors (see below), whose sum is σ = 13992569760. Its totient is φ = 2124376200.

The previous prime is 6415618823. The next prime is 6415618861. The reversal of 6415618842 is 2488165146.

It is a happy number.

6415618842 is a `hidden beast` number, since 6 + 4 + 1 + 561 + 8 + 84 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6415618823) and next prime (6415618861).

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, 1177492 + ... + 1182927.

It is an arithmetic number, because the mean of its divisors is an integer number (583023740).

Almost surely, 2^6415618842 is an apocalyptic number.

6415618842 is an abundant number, since it is smaller than the sum of its proper divisors (7576950918).

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

6415618842 is a wasteful number, since it uses less digits than its factorization.

6415618842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360578 (or 2360575 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 6415618842 is about 80097.5582773907. The cubic root of 6415618842 is about 1858.1446448640.

The spelling of 6415618842 in words is "six billion, four hundred fifteen million, six hundred eighteen thousand, eight hundred forty-two".