3971864353703 has 2 divisors, whose sum is σ = 3971864353704. Its totient is φ = 3971864353702.

The previous prime is 3971864353657. The next prime is 3971864353733. The reversal of 3971864353703 is 3073534681793.

It is a strong prime.

It is an emirp because it is prime and its reverse (3073534681793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3971864353703 - 2²⁰ = 3971863305127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3971864353733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985932176851 + 1985932176852.

It is an arithmetic number, because the mean of its divisors is an integer number (1985932176852).

Almost surely, 2^{3971864353703} is an apocalyptic number.

3971864353703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3971864353703 is an equidigital number, since it uses as much as digits as its factorization.

3971864353703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 59.

The spelling of 3971864353703 in words is "three trillion, nine hundred seventy-one billion, eight hundred sixty-four million, three hundred fifty-three thousand, seven hundred three".