3954016939 has 2 divisors, whose sum is σ = 3954016940. Its totient is φ = 3954016938.

The previous prime is 3954016931. The next prime is 3954016943. The reversal of 3954016939 is 9396104593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3954016939 - 2³ = 3954016931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3954016892 and 3954016901.

It is not a weakly prime, because it can be changed into another prime (3954016931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977008469 + 1977008470.

It is an arithmetic number, because the mean of its divisors is an integer number (1977008470).

Almost surely, 2^3954016939 is an apocalyptic number.

3954016939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954016939 is an equidigital number, since it uses as much as digits as its factorization.

3954016939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 3954016939 is about 62880.9743801732. The cubic root of 3954016939 is about 1581.2947965375.

The spelling of 3954016939 in words is "three billion, nine hundred fifty-four million, sixteen thousand, nine hundred thirty-nine".