3992370749 has 2 divisors, whose sum is σ = 3992370750. Its totient is φ = 3992370748.

The previous prime is 3992370727. The next prime is 3992370769. The reversal of 3992370749 is 9470732993.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2135364100 + 1857006649 = 46210^2 + 43093^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992370749 - 2²⁰ = 3991322173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3992370749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3992370769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996185374 + 1996185375.

It is an arithmetic number, because the mean of its divisors is an integer number (1996185375).

Almost surely, 2^3992370749 is an apocalyptic number.

It is an amenable number.

3992370749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992370749 is an equidigital number, since it uses as much as digits as its factorization.

3992370749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 3992370749 is about 63185.2098912396. The cubic root of 3992370749 is about 1586.3911862306.

The spelling of 3992370749 in words is "three billion, nine hundred ninety-two million, three hundred seventy thousand, seven hundred forty-nine".