3966373837 has 2 divisors, whose sum is σ = 3966373838. Its totient is φ = 3966373836.

The previous prime is 3966373811. The next prime is 3966373843. The reversal of 3966373837 is 7383736693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3332291076 + 634082761 = 57726^2 + 25181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3966373837 - 2¹⁹ = 3965849549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3966373637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983186918 + 1983186919.

It is an arithmetic number, because the mean of its divisors is an integer number (1983186919).

Almost surely, 2^3966373837 is an apocalyptic number.

It is an amenable number.

3966373837 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966373837 is an equidigital number, since it uses as much as digits as its factorization.

3966373837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 55.

The square root of 3966373837 is about 62979.1539876490. The cubic root of 3966373837 is about 1582.9403449368.

The spelling of 3966373837 in words is "three billion, nine hundred sixty-six million, three hundred seventy-three thousand, eight hundred thirty-seven".