3243631618474 has 16 divisors (see below), whose sum is σ = 5239934983080. Its totient is φ = 1496997213120.

The previous prime is 3243631618463. The next prime is 3243631618573. The reversal of 3243631618474 is 4748161363423.

It can be written as a sum of positive squares in 4 ways, for example, as 2270123796249 + 973507822225 = 1506693^2 + 986665^2 .

It is a super-2 number, since 2×3243631618474² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020017 + ... + 3250804.

Almost surely, 2^{3243631618474} is an apocalyptic number.

3243631618474 is a deficient number, since it is larger than the sum of its proper divisors (1996303364606).

3243631618474 is a wasteful number, since it uses less digits than its factorization.

3243631618474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294505.

The product of its digits is 6967296, while the sum is 52.

The spelling of 3243631618474 in words is "three trillion, two hundred forty-three billion, six hundred thirty-one million, six hundred eighteen thousand, four hundred seventy-four".