3819878201 has 4 divisors (see below), whose sum is σ = 3913046004. Its totient is φ = 3726710400.

The previous prime is 3819878177. The next prime is 3819878219. The reversal of 3819878201 is 1028789183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1028789183 = 1499 ⋅686317.

It can be written as a sum of positive squares in 2 ways, for example, as 1436485801 + 2383392400 = 37901^2 + 48820^2 .

It is a cyclic number.

It is not a de Polignac number, because 3819878201 - 2⁶ = 3819878137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3819878401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46583840 + ... + 46583921.

It is an arithmetic number, because the mean of its divisors is an integer number (978261501).

Almost surely, 2^3819878201 is an apocalyptic number.

It is an amenable number.

3819878201 is a deficient number, since it is larger than the sum of its proper divisors (93167803).

3819878201 is an equidigital number, since it uses as much as digits as its factorization.

3819878201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93167802.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 3819878201 is about 61805.1632228247. The cubic root of 3819878201 is about 1563.2070503793.

The spelling of 3819878201 in words is "three billion, eight hundred nineteen million, eight hundred seventy-eight thousand, two hundred one".