3867819493 has 8 divisors (see below), whose sum is σ = 4071978720. Its totient is φ = 3663719280.

The previous prime is 3867819479. The next prime is 3867819499. The reversal of 3867819493 is 3949187683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3867819493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867819499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200283 + ... + 218743.

It is an arithmetic number, because the mean of its divisors is an integer number (508997340).

Almost surely, 2^3867819493 is an apocalyptic number.

It is an amenable number.

3867819493 is a deficient number, since it is larger than the sum of its proper divisors (204159227).

3867819493 is a wasteful number, since it uses less digits than its factorization.

3867819493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29507.

The product of its digits is 7838208, while the sum is 58.

The square root of 3867819493 is about 62191.7960264857. The cubic root of 3867819493 is about 1569.7195454255.

The spelling of 3867819493 in words is "three billion, eight hundred sixty-seven million, eight hundred nineteen thousand, four hundred ninety-three".