42061698719 has 2 divisors, whose sum is σ = 42061698720. Its totient is φ = 42061698718.

The previous prime is 42061698641. The next prime is 42061698727. The reversal of 42061698719 is 91789616024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42061698719 - 2²⁸ = 41793263263 is a prime.

It is a super-2 number, since 2×42061698719² (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 (42061691719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21030849359 + 21030849360.

It is an arithmetic number, because the mean of its divisors is an integer number (21030849360).

Almost surely, 2^42061698719 is an apocalyptic number.

42061698719 is a deficient number, since it is larger than the sum of its proper divisors (1).

42061698719 is an equidigital number, since it uses as much as digits as its factorization.

42061698719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 42061698719 in words is "forty-two billion, sixty-one million, six hundred ninety-eight thousand, seven hundred nineteen".