42345380419 has 2 divisors, whose sum is σ = 42345380420. Its totient is φ = 42345380418.

The previous prime is 42345380387. The next prime is 42345380447. The reversal of 42345380419 is 91408354324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42345380419 - 2⁵ = 42345380387 is a prime.

It is a super-2 number, since 2×42345380419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42345380489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172690209 + 21172690210.

It is an arithmetic number, because the mean of its divisors is an integer number (21172690210).

Almost surely, 2^42345380419 is an apocalyptic number.

42345380419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42345380419 is an equidigital number, since it uses as much as digits as its factorization.

42345380419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 42345380419 in words is "forty-two billion, three hundred forty-five million, three hundred eighty thousand, four hundred nineteen".