1974149284358 has 32 divisors (see below), whose sum is σ = 3077875998720. Its totient is φ = 949144331520.

The previous prime is 1974149284319. The next prime is 1974149284391. The reversal of 1974149284358 is 8534829414791.

It is a junction number, because it is equal to n+sod(n) for n = 1974149284294 and 1974149284303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136310 + ... + 1991702.

It is an arithmetic number, because the mean of its divisors is an integer number (96183624960).

Almost surely, 2^{1974149284358} is an apocalyptic number.

1974149284358 is a deficient number, since it is larger than the sum of its proper divisors (1103726714362).

1974149284358 is a wasteful number, since it uses less digits than its factorization.

1974149284358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855652.

The product of its digits is 69672960, while the sum is 65.

The spelling of 1974149284358 in words is "one trillion, nine hundred seventy-four billion, one hundred forty-nine million, two hundred eighty-four thousand, three hundred fifty-eight".