9218737464842 has 12 divisors (see below), whose sum is σ = 13838781076470. Its totient is φ = 4605813182016.

The previous prime is 9218737464841. The next prime is 9218737464877. The reversal of 9218737464842 is 2484647378129.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9212020187161 + 6717277681 = 3035131^2 + 81959^2 .

It is not an unprimeable number, because it can be changed into a prime (9218737464841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994384 + ... + 4734452.

Almost surely, 2^{9218737464842} is an apocalyptic number.

9218737464842 is a deficient number, since it is larger than the sum of its proper divisors (4620043611628).

9218737464842 is an equidigital number, since it uses as much as digits as its factorization.

9218737464842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742665 (or 2741368 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 65.

The spelling of 9218737464842 in words is "nine trillion, two hundred eighteen billion, seven hundred thirty-seven million, four hundred sixty-four thousand, eight hundred forty-two".