3999293671 has 2 divisors, whose sum is σ = 3999293672. Its totient is φ = 3999293670.

The previous prime is 3999293657. The next prime is 3999293677. The reversal of 3999293671 is 1763929993.

3999293671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3999293671 - 2¹⁷ = 3999162599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3999293677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999646835 + 1999646836.

It is an arithmetic number, because the mean of its divisors is an integer number (1999646836).

Almost surely, 2^3999293671 is an apocalyptic number.

3999293671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999293671 is an equidigital number, since it uses as much as digits as its factorization.

3999293671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 58.

The square root of 3999293671 is about 63239.9689357925. The cubic root of 3999293671 is about 1587.3076108515.

The spelling of 3999293671 in words is "three billion, nine hundred ninety-nine million, two hundred ninety-three thousand, six hundred seventy-one".