3742595561 has 2 divisors, whose sum is σ = 3742595562. Its totient is φ = 3742595560.

The previous prime is 3742595503. The next prime is 3742595573. The reversal of 3742595561 is 1655952473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103965161 + 1638630400 = 45869^2 + 40480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3742595561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3742595761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871297780 + 1871297781.

It is an arithmetic number, because the mean of its divisors is an integer number (1871297781).

Almost surely, 2^3742595561 is an apocalyptic number.

It is an amenable number.

3742595561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742595561 is an equidigital number, since it uses as much as digits as its factorization.

3742595561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The square root of 3742595561 is about 61176.7567054678. The cubic root of 3742595561 is about 1552.5930319565.

The spelling of 3742595561 in words is "three billion, seven hundred forty-two million, five hundred ninety-five thousand, five hundred sixty-one".