3899542079 has 2 divisors, whose sum is σ = 3899542080. Its totient is φ = 3899542078.

The previous prime is 3899542069. The next prime is 3899542081. The reversal of 3899542079 is 9702459983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3899542079 - 2²⁰ = 3898493503 is a prime.

Together with 3899542081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3899542019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949771039 + 1949771040.

It is an arithmetic number, because the mean of its divisors is an integer number (1949771040).

Almost surely, 2^3899542079 is an apocalyptic number.

3899542079 is a deficient number, since it is larger than the sum of its proper divisors (1).

3899542079 is an equidigital number, since it uses as much as digits as its factorization.

3899542079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 3899542079 is about 62446.3135741414. The cubic root of 3899542079 is about 1573.9993077629. Note that the first 3 decimals are identical.

The spelling of 3899542079 in words is "three billion, eight hundred ninety-nine million, five hundred forty-two thousand, seventy-nine".