3734242375691 has 2 divisors, whose sum is σ = 3734242375692. Its totient is φ = 3734242375690.

The previous prime is 3734242375637. The next prime is 3734242375693. The reversal of 3734242375691 is 1965732424373.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3734242375691 - 2²⁶ = 3734175266827 is a prime.

It is a super-2 number, since 2×3734242375691² (a number of 26 digits) contains 22 as substring.

Together with 3734242375693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3734242375693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1867121187845 + 1867121187846.

It is an arithmetic number, because the mean of its divisors is an integer number (1867121187846).

Almost surely, 2^{3734242375691} is an apocalyptic number.

3734242375691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3734242375691 is an equidigital number, since it uses as much as digits as its factorization.

3734242375691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 56.

The spelling of 3734242375691 in words is "three trillion, seven hundred thirty-four billion, two hundred forty-two million, three hundred seventy-five thousand, six hundred ninety-one".