1974140595818 has 16 divisors (see below), whose sum is σ = 3117092677440. Its totient is φ = 935110656000.

The previous prime is 1974140595803. The next prime is 1974140595857. The reversal of 1974140595818 is 8185950414791.

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, 6272618 + ... + 6579818.

It is an arithmetic number, because the mean of its divisors is an integer number (194818292340).

Almost surely, 2^{1974140595818} is an apocalyptic number.

1974140595818 is a deficient number, since it is larger than the sum of its proper divisors (1142952081622).

1974140595818 is a wasteful number, since it uses less digits than its factorization.

1974140595818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476333.

The product of its (nonzero) digits is 14515200, while the sum is 62.

The spelling of 1974140595818 in words is "one trillion, nine hundred seventy-four billion, one hundred forty million, five hundred ninety-five thousand, eight hundred eighteen".