3819678081 has 4 divisors (see below), whose sum is σ = 5092904112. Its totient is φ = 2546452052.

The previous prime is 3819678077. The next prime is 3819678101. The reversal of 3819678081 is 1808769183.

3819678081 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3819678081 - 2² = 3819678077 is a prime.

It is a super-2 number, since 2×3819678081² = 29179881284943685122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3819678581) 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, 636613011 + ... + 636613016.

It is an arithmetic number, because the mean of its divisors is an integer number (1273226028).

Almost surely, 2^3819678081 is an apocalyptic number.

It is an amenable number.

3819678081 is a deficient number, since it is larger than the sum of its proper divisors (1273226031).

3819678081 is a wasteful number, since it uses less digits than its factorization.

3819678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273226030.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 3819678081 is about 61803.5442430287. The cubic root of 3819678081 is about 1563.1797515632.

The spelling of 3819678081 in words is "three billion, eight hundred nineteen million, six hundred seventy-eight thousand, eighty-one".