42604561303 has 2 divisors, whose sum is σ = 42604561304. Its totient is φ = 42604561302.

The previous prime is 42604561247. The next prime is 42604561309. The reversal of 42604561303 is 30316540624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42604561303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42604561309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302280651 + 21302280652.

It is an arithmetic number, because the mean of its divisors is an integer number (21302280652).

Almost surely, 2^42604561303 is an apocalyptic number.

42604561303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42604561303 is an equidigital number, since it uses as much as digits as its factorization.

42604561303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 42604561303 in words is "forty-two billion, six hundred four million, five hundred sixty-one thousand, three hundred three".