42247497719 has 12 divisors (see below), whose sum is σ = 49148406864. Its totient is φ = 36209666304.

The previous prime is 42247497707. The next prime is 42247497749. The reversal of 42247497719 is 91779474224.

It is not a de Polignac number, because 42247497719 - 2²⁰ = 42246449143 is a prime.

It is a super-2 number, since 2×42247497719² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42247497749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310654 + ... + 1342500.

It is an arithmetic number, because the mean of its divisors is an integer number (4095700572).

Almost surely, 2^42247497719 is an apocalyptic number.

42247497719 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42247497719 is a deficient number, since it is larger than the sum of its proper divisors (6900909145).

42247497719 is a wasteful number, since it uses less digits than its factorization.

42247497719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58934 (or 58927 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The spelling of 42247497719 in words is "forty-two billion, two hundred forty-seven million, four hundred ninety-seven thousand, seven hundred nineteen".