42405003497 has 2 divisors, whose sum is σ = 42405003498. Its totient is φ = 42405003496.

The previous prime is 42405003467. The next prime is 42405003503. The reversal of 42405003497 is 79430050424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39482087401 + 2922916096 = 198701^2 + 54064^2 .

It is a cyclic number.

It is not a de Polignac number, because 42405003497 - 2²⁶ = 42337894633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42405003497.

It is not a weakly prime, because it can be changed into another prime (42405003427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202501748 + 21202501749.

It is an arithmetic number, because the mean of its divisors is an integer number (21202501749).

Almost surely, 2^42405003497 is an apocalyptic number.

It is an amenable number.

42405003497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42405003497 is an equidigital number, since it uses as much as digits as its factorization.

42405003497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 42405003497 in words is "forty-two billion, four hundred five million, three thousand, four hundred ninety-seven".