42939995519 has 2 divisors, whose sum is σ = 42939995520. Its totient is φ = 42939995518.

The previous prime is 42939995507. The next prime is 42939995537. The reversal of 42939995519 is 91559993924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42939995519 is a prime.

It is a super-2 number, since 2×42939995519² (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 (42939995719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21469997759 + 21469997760.

It is an arithmetic number, because the mean of its divisors is an integer number (21469997760).

Almost surely, 2^42939995519 is an apocalyptic number.

42939995519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42939995519 is an equidigital number, since it uses as much as digits as its factorization.

42939995519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35429400, while the sum is 65.

The spelling of 42939995519 in words is "forty-two billion, nine hundred thirty-nine million, nine hundred ninety-five thousand, five hundred nineteen".