3955371671 has 2 divisors, whose sum is σ = 3955371672. Its totient is φ = 3955371670.

The previous prime is 3955371661. The next prime is 3955371689. The reversal of 3955371671 is 1761735593.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3955371671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3955371611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977685835 + 1977685836.

It is an arithmetic number, because the mean of its divisors is an integer number (1977685836).

Almost surely, 2^3955371671 is an apocalyptic number.

3955371671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955371671 is an equidigital number, since it uses as much as digits as its factorization.

3955371671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 47.

The square root of 3955371671 is about 62891.7456507609. The cubic root of 3955371671 is about 1581.4753712192.

The spelling of 3955371671 in words is "three billion, nine hundred fifty-five million, three hundred seventy-one thousand, six hundred seventy-one".