1928770995204 has 81 divisors (see below), whose sum is σ = 4903190258421. Its totient is φ = 639293336640.

The previous prime is 1928770995167. The next prime is 1928770995209. The reversal of 1928770995204 is 4025990778291.

The square root of 1928770995204 is 1388802.

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

1928770995204 is a `hidden beast` number, since 19 + 2 + 8 + 7 + 7 + 0 + 99 + 520 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 548503172100 + 1380267823104 = 740610^2 + 1174848^2 .

It is not an unprimeable number, because it can be changed into a prime (1928770995209) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1758222784 + ... + 1758223880.

Almost surely, 2^{1928770995204} is an apocalyptic number.

1928770995204 is the 1388802-nd square number.

It is an amenable number.

1928770995204 is an abundant number, since it is smaller than the sum of its proper divisors (2974419263217).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1928770995204 is an equidigital number, since it uses as much as digits as its factorization.

1928770995204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 1928770995204 in words is "one trillion, nine hundred twenty-eight billion, seven hundred seventy million, nine hundred ninety-five thousand, two hundred four".