1982357674738 has 16 divisors (see below), whose sum is σ = 3419176080960. Its totient is φ = 844369700976.

The previous prime is 1982357674733. The next prime is 1982357674741. The reversal of 1982357674738 is 8374767532891.

It is not an unprimeable number, because it can be changed into a prime (1982357674733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434344273 + ... + 434348836.

It is an arithmetic number, because the mean of its divisors is an integer number (213698505060).

Almost surely, 2^{1982357674738} is an apocalyptic number.

1982357674738 is a deficient number, since it is larger than the sum of its proper divisors (1436818406222).

1982357674738 is a wasteful number, since it uses less digits than its factorization.

1982357674738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868693281.

The product of its digits is 426746880, while the sum is 70.

The spelling of 1982357674738 in words is "one trillion, nine hundred eighty-two billion, three hundred fifty-seven million, six hundred seventy-four thousand, seven hundred thirty-eight".