3742145361919 has 2 divisors, whose sum is σ = 3742145361920. Its totient is φ = 3742145361918.

The previous prime is 3742145361917. The next prime is 3742145361923. The reversal of 3742145361919 is 9191635412473.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3742145361919 - 2¹ = 3742145361917 is a prime.

It is a super-2 number, since 2×3742145361919² (a number of 26 digits) contains 22 as substring.

Together with 3742145361917, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3742145361919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3742145361917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871072680959 + 1871072680960.

It is an arithmetic number, because the mean of its divisors is an integer number (1871072680960).

Almost surely, 2^{3742145361919} is an apocalyptic number.

3742145361919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742145361919 is an equidigital number, since it uses as much as digits as its factorization.

3742145361919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The spelling of 3742145361919 in words is "three trillion, seven hundred forty-two billion, one hundred forty-five million, three hundred sixty-one thousand, nine hundred nineteen".