42274013881919 has 2 divisors, whose sum is σ = 42274013881920. Its totient is φ = 42274013881918.

The previous prime is 42274013881831. The next prime is 42274013882077. The reversal of 42274013881919 is 91918831047224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42274013881919 is a prime.

It is a super-2 number, since 2×42274013881919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42274013881819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21137006940959 + 21137006940960.

It is an arithmetic number, because the mean of its divisors is an integer number (21137006940960).

Almost surely, 2^{42274013881919} is an apocalyptic number.

42274013881919 is a deficient number, since it is larger than the sum of its proper divisors (1).

42274013881919 is an equidigital number, since it uses as much as digits as its factorization.

42274013881919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 42274013881919 in words is "forty-two trillion, two hundred seventy-four billion, thirteen million, eight hundred eighty-one thousand, nine hundred nineteen".