3918544879 has 2 divisors, whose sum is σ = 3918544880. Its totient is φ = 3918544878.

The previous prime is 3918544871. The next prime is 3918544913. The reversal of 3918544879 is 9784458193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3918544879 - 2³ = 3918544871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3918544871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959272439 + 1959272440.

It is an arithmetic number, because the mean of its divisors is an integer number (1959272440).

Almost surely, 2^3918544879 is an apocalyptic number.

3918544879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3918544879 is an equidigital number, since it uses as much as digits as its factorization.

3918544879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 58.

The square root of 3918544879 is about 62598.2817575690. The cubic root of 3918544879 is about 1576.5519100301.

The spelling of 3918544879 in words is "three billion, nine hundred eighteen million, five hundred forty-four thousand, eight hundred seventy-nine".