2947374005818 has 48 divisors (see below), whose sum is σ = 5001779383272. Its totient is φ = 1300652812800.

The previous prime is 2947374005783. The next prime is 2947374005837. The reversal of 2947374005818 is 8185004737492.

It can be written as a sum of positive squares in 4 ways, for example, as 2942881923289 + 4492082529 = 1715483^2 + 67023^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3731838 + ... + 4452118.

Almost surely, 2^{2947374005818} is an apocalyptic number.

2947374005818 is a deficient number, since it is larger than the sum of its proper divisors (2054405377454).

2947374005818 is a wasteful number, since it uses less digits than its factorization.

2947374005818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720799 (or 720788 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 2947374005818 in words is "two trillion, nine hundred forty-seven billion, three hundred seventy-four million, five thousand, eight hundred eighteen".