3871417662389 has 2 divisors, whose sum is σ = 3871417662390. Its totient is φ = 3871417662388.

The previous prime is 3871417662383. The next prime is 3871417662521. The reversal of 3871417662389 is 9832667141783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3855292980100 + 16124682289 = 1963490^2 + 126983^2 .

It is a cyclic number.

It is not a de Polignac number, because 3871417662389 - 2⁴⁰ = 2771906034613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3871417662383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935708831194 + 1935708831195.

It is an arithmetic number, because the mean of its divisors is an integer number (1935708831195).

Almost surely, 2^{3871417662389} is an apocalyptic number.

It is an amenable number.

3871417662389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871417662389 is an equidigital number, since it uses as much as digits as its factorization.

3871417662389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 65.

The spelling of 3871417662389 in words is "three trillion, eight hundred seventy-one billion, four hundred seventeen million, six hundred sixty-two thousand, three hundred eighty-nine".