3747523061617 has 2 divisors, whose sum is σ = 3747523061618. Its totient is φ = 3747523061616.

The previous prime is 3747523061609. The next prime is 3747523061767. The reversal of 3747523061617 is 7161603257473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2753107244001 + 994415817616 = 1659249^2 + 997204^2 .

It is a cyclic number.

It is not a de Polignac number, because 3747523061617 - 2³ = 3747523061609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3747523064617) 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, 1873761530808 + 1873761530809.

It is an arithmetic number, because the mean of its divisors is an integer number (1873761530809).

Almost surely, 2^{3747523061617} is an apocalyptic number.

It is an amenable number.

3747523061617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3747523061617 is an equidigital number, since it uses as much as digits as its factorization.

3747523061617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 3747523061617 in words is "three trillion, seven hundred forty-seven billion, five hundred twenty-three million, sixty-one thousand, six hundred seventeen".