1649570334736 has 45 divisors (see below), whose sum is σ = 3207360032319. Its totient is φ = 821874816672.

The previous prime is 1649570334707. The next prime is 1649570334743. The reversal of 1649570334736 is 6374330759461.

The square root of 1649570334736 is 1284356.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2810170635 + ... + 2810171221.

Almost surely, 2^{1649570334736} is an apocalyptic number.

1649570334736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1649570334736 is the 1284356-th square number.

It is an amenable number.

1649570334736 is a deficient number, since it is larger than the sum of its proper divisors (1557789697583).

1649570334736 is an frugal number, since it uses more digits than its factorization.

1649570334736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 1649570334736 in words is "one trillion, six hundred forty-nine billion, five hundred seventy million, three hundred thirty-four thousand, seven hundred thirty-six".