42445715407 has 2 divisors, whose sum is σ = 42445715408. Its totient is φ = 42445715406.

The previous prime is 42445715341. The next prime is 42445715419. The reversal of 42445715407 is 70451754424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42445715407 - 2¹⁹ = 42445191119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42445715467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21222857703 + 21222857704.

It is an arithmetic number, because the mean of its divisors is an integer number (21222857704).

Almost surely, 2^42445715407 is an apocalyptic number.

42445715407 is a deficient number, since it is larger than the sum of its proper divisors (1).

42445715407 is an equidigital number, since it uses as much as digits as its factorization.

42445715407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 627200, while the sum is 43.

The spelling of 42445715407 in words is "forty-two billion, four hundred forty-five million, seven hundred fifteen thousand, four hundred seven".