42312358919 has 2 divisors, whose sum is σ = 42312358920. Its totient is φ = 42312358918.

The previous prime is 42312358909. The next prime is 42312358943. The reversal of 42312358919 is 91985321324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42312358919 - 2¹⁶ = 42312293383 is a prime.

It is a super-2 number, since 2×42312358919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42312358909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156179459 + 21156179460.

It is an arithmetic number, because the mean of its divisors is an integer number (21156179460).

Almost surely, 2^42312358919 is an apocalyptic number.

42312358919 is a deficient number, since it is larger than the sum of its proper divisors (1).

42312358919 is an equidigital number, since it uses as much as digits as its factorization.

42312358919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The spelling of 42312358919 in words is "forty-two billion, three hundred twelve million, three hundred fifty-eight thousand, nine hundred nineteen".