42073888079 has 2 divisors, whose sum is σ = 42073888080. Its totient is φ = 42073888078.

The previous prime is 42073888007. The next prime is 42073888121. The reversal of 42073888079 is 97088837024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42073888079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42073888279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21036944039 + 21036944040.

It is an arithmetic number, because the mean of its divisors is an integer number (21036944040).

Almost surely, 2^42073888079 is an apocalyptic number.

42073888079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42073888079 is an equidigital number, since it uses as much as digits as its factorization.

42073888079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 42073888079 in words is "forty-two billion, seventy-three million, eight hundred eighty-eight thousand, seventy-nine".