1974031057216 has 14 divisors (see below), whose sum is σ = 3917217879290. Its totient is φ = 987015528576.

The previous prime is 1974031057147. The next prime is 1974031057261. The reversal of 1974031057216 is 6127501304791.

It can be written as a sum of positive squares in only one way, i.e., 1225626126400 + 748404930816 = 1107080^2 + 865104^2 .

It is a super-2 number, since 2×1974031057216² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 15422117571 + ... + 15422117698.

Almost surely, 2^{1974031057216} is an apocalyptic number.

1974031057216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1974031057216 is a deficient number, since it is larger than the sum of its proper divisors (1943186822074).

1974031057216 is an equidigital number, since it uses as much as digits as its factorization.

1974031057216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30844235281 (or 30844235271 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1974031057216 in words is "one trillion, nine hundred seventy-four billion, thirty-one million, fifty-seven thousand, two hundred sixteen".