3888889499 has 4 divisors (see below), whose sum is σ = 4242424920. Its totient is φ = 3535354080.

The previous prime is 3888889493. The next prime is 3888889517. The reversal of 3888889499 is 9949888883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3888889499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888889493) 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, 176767694 + ... + 176767715.

It is an arithmetic number, because the mean of its divisors is an integer number (1060606230).

Almost surely, 2^3888889499 is an apocalyptic number.

3888889499 is a deficient number, since it is larger than the sum of its proper divisors (353535421).

3888889499 is a wasteful number, since it uses less digits than its factorization.

3888889499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353535420.

The product of its digits is 286654464, while the sum is 74.

The square root of 3888889499 is about 62360.9613380038. The cubic root of 3888889499 is about 1572.5647423432.

The spelling of 3888889499 in words is "three billion, eight hundred eighty-eight million, eight hundred eighty-nine thousand, four hundred ninety-nine".