4019813604 has 27 divisors (see below), whose sum is σ = 10162157187. Its totient is φ = 1339811064.

The previous prime is 4019813599. The next prime is 4019813621. The reversal of 4019813604 is 4063189104.

The square root of 4019813604 is 63402.

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

4019813604 is a `hidden beast` number, since 40 + 1 + 9 + 8 + 1 + 3 + 604 = 666.

It is a super-4 number, since 4×4019813604⁴ (a number of 40 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 375129 + ... + 385695.

Almost surely, 2^4019813604 is an apocalyptic number.

4019813604 is the 63402-nd square number.

It is an amenable number.

4019813604 is an abundant number, since it is smaller than the sum of its proper divisors (6142343583).

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

4019813604 is an equidigital number, since it uses as much as digits as its factorization.

4019813604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144 (or 10572 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The cubic root of 4019813604 is about 1590.0177475176.

Multiplying 4019813604 by its sum of digits (36), we get a square (144713289744 = 380412²).

4019813604 divided by its sum of digits (36) gives a square (111661489 = 10567²).

Multiplying 4019813604 by its product of nonzero digits (20736), we get a square (83354854892544 = 9129888²).

The spelling of 4019813604 in words is "four billion, nineteen million, eight hundred thirteen thousand, six hundred four".