1982357674739 has 32 divisors (see below), whose sum is σ = 2228758017024. Its totient is φ = 1751320932480.

The previous prime is 1982357674733. The next prime is 1982357674741. The reversal of 1982357674739 is 9374767532891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982357674739 is a prime.

It is a super-2 number, since 2×1982357674739² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 8857514 + ... + 9078560.

It is an arithmetic number, because the mean of its divisors is an integer number (69648688032).

Almost surely, 2^{1982357674739} is an apocalyptic number.

1982357674739 is a deficient number, since it is larger than the sum of its proper divisors (246400342285).

1982357674739 is a wasteful number, since it uses less digits than its factorization.

1982357674739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221427.

The product of its digits is 480090240, while the sum is 71.

The spelling of 1982357674739 in words is "one trillion, nine hundred eighty-two billion, three hundred fifty-seven million, six hundred seventy-four thousand, seven hundred thirty-nine".