3818434899 has 4 divisors (see below), whose sum is σ = 5091246536. Its totient is φ = 2545623264.

The previous prime is 3818434877. The next prime is 3818434909. The reversal of 3818434899 is 9984348183.

3818434899 is digitally balanced in base 2 and base 4, 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.

It is not a de Polignac number, because 3818434899 - 2⁹ = 3818434387 is a prime.

It is a super-2 number, since 2×3818434899² = 29160890155802280402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3818434799) 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, 636405814 + ... + 636405819.

It is an arithmetic number, because the mean of its divisors is an integer number (1272811634).

Almost surely, 2^3818434899 is an apocalyptic number.

3818434899 is a deficient number, since it is larger than the sum of its proper divisors (1272811637).

3818434899 is a wasteful number, since it uses less digits than its factorization.

3818434899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272811636.

The product of its digits is 5971968, while the sum is 57.

The square root of 3818434899 is about 61793.4858945504. The cubic root of 3818434899 is about 1563.0101449667.

The spelling of 3818434899 in words is "three billion, eight hundred eighteen million, four hundred thirty-four thousand, eight hundred ninety-nine".