3992370769 has 2 divisors, whose sum is σ = 3992370770. Its totient is φ = 3992370768.

The previous prime is 3992370749. The next prime is 3992370779. The reversal of 3992370769 is 9670732993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2334822400 + 1657548369 = 48320^2 + 40713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3992370769 is a prime.

It is a super-2 number, since 2×3992370769² = 31878048714331302722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3992370749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996185384 + 1996185385.

It is an arithmetic number, because the mean of its divisors is an integer number (1996185385).

Almost surely, 2^3992370769 is an apocalyptic number.

It is an amenable number.

3992370769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992370769 is an equidigital number, since it uses as much as digits as its factorization.

3992370769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 55.

The square root of 3992370769 is about 63185.2100495045. The cubic root of 3992370769 is about 1586.3911888797.

The spelling of 3992370769 in words is "three billion, nine hundred ninety-two million, three hundred seventy thousand, seven hundred sixty-nine".