1949814831752 has 36 divisors (see below), whose sum is σ = 3668319033045. Its totient is φ = 971607611968.

The previous prime is 1949814831733. The next prime is 1949814831761. The reversal of 1949814831752 is 2571384189491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1737877977796 + 211936853956 = 1318286^2 + 460366^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=987374.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 1512656324 + ... + 1512657612.

Almost surely, 2^{1949814831752} is an apocalyptic number.

It is an amenable number.

1949814831752 is a deficient number, since it is larger than the sum of its proper divisors (1718504201293).

1949814831752 is an frugal number, since it uses more digits than its factorization.

1949814831752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 1674 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The spelling of 1949814831752 in words is "one trillion, nine hundred forty-nine billion, eight hundred fourteen million, eight hundred thirty-one thousand, seven hundred fifty-two".