3871602139 has 2 divisors, whose sum is σ = 3871602140. Its totient is φ = 3871602138.

The previous prime is 3871602101. The next prime is 3871602157. The reversal of 3871602139 is 9312061783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3871602139 - 2²³ = 3863213531 is a prime.

It is not a weakly prime, because it can be changed into another prime (3871602199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935801069 + 1935801070.

It is an arithmetic number, because the mean of its divisors is an integer number (1935801070).

Almost surely, 2^3871602139 is an apocalyptic number.

3871602139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871602139 is an equidigital number, since it uses as much as digits as its factorization.

3871602139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3871602139 is about 62222.1997280713. The cubic root of 3871602139 is about 1570.2310962511.

The spelling of 3871602139 in words is "three billion, eight hundred seventy-one million, six hundred two thousand, one hundred thirty-nine".