3742901809 has 2 divisors, whose sum is σ = 3742901810. Its totient is φ = 3742901808.

The previous prime is 3742901801. The next prime is 3742901831. The reversal of 3742901809 is 9081092473.

3742901809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2354966784 + 1387935025 = 48528^2 + 37255^2 .

It is an emirp because it is prime and its reverse (9081092473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3742901809 - 2³ = 3742901801 is a prime.

It is not a weakly prime, because it can be changed into another prime (3742901801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871450904 + 1871450905.

It is an arithmetic number, because the mean of its divisors is an integer number (1871450905).

Almost surely, 2^3742901809 is an apocalyptic number.

It is an amenable number.

3742901809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742901809 is an equidigital number, since it uses as much as digits as its factorization.

3742901809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 3742901809 is about 61179.2596310220. The cubic root of 3742901809 is about 1552.6353791756.

The spelling of 3742901809 in words is "three billion, seven hundred forty-two million, nine hundred one thousand, eight hundred nine".