2045620783504 has 15 divisors (see below), whose sum is σ = 3963401352523. Its totient is φ = 1022807531248.

The previous prime is 2045620783471. The next prime is 2045620783543. The reversal of 2045620783504 is 4053870265402.

The square root of 2045620783504 is 1430252.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5542227 + ... + 5899789.

Almost surely, 2^{2045620783504} is an apocalyptic number.

2045620783504 is the 1430252-nd square number.

It is an amenable number.

2045620783504 is a deficient number, since it is larger than the sum of its proper divisors (1917780569019).

2045620783504 is an frugal number, since it uses more digits than its factorization.

2045620783504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715134 (or 357565 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

It can be divided in two parts, 2045620 and 783504, that added together give a square (2829124 = 1682²).

The spelling of 2045620783504 in words is "two trillion, forty-five billion, six hundred twenty million, seven hundred eighty-three thousand, five hundred four".