1974149284357 has 8 divisors (see below), whose sum is σ = 1983182751000. Its totient is φ = 1965119407104.

The previous prime is 1974149284319. The next prime is 1974149284391. The reversal of 1974149284357 is 7534829414791.

It can be written as a sum of positive squares in 4 ways, for example, as 42052064356 + 1932097220001 = 205066^2 + 1389999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1974149284357 - 2¹⁵ = 1974149251589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974149284397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 208269 + ... + 1997917.

It is an arithmetic number, because the mean of its divisors is an integer number (247897843875).

Almost surely, 2^{1974149284357} is an apocalyptic number.

It is an amenable number.

1974149284357 is a deficient number, since it is larger than the sum of its proper divisors (9033466643).

1974149284357 is a wasteful number, since it uses less digits than its factorization.

1974149284357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794695.

The product of its digits is 60963840, while the sum is 64.

The spelling of 1974149284357 in words is "one trillion, nine hundred seventy-four billion, one hundred forty-nine million, two hundred eighty-four thousand, three hundred fifty-seven".