42804303761 has 2 divisors, whose sum is σ = 42804303762. Its totient is φ = 42804303760.

The previous prime is 42804303743. The next prime is 42804303821. The reversal of 42804303761 is 16730340824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41664566161 + 1139737600 = 204119^2 + 33760^2 .

It is a cyclic number.

It is not a de Polignac number, because 42804303761 - 2³⁰ = 41730561937 is a prime.

It is not a weakly prime, because it can be changed into another prime (42804303461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21402151880 + 21402151881.

It is an arithmetic number, because the mean of its divisors is an integer number (21402151881).

Almost surely, 2^42804303761 is an apocalyptic number.

It is an amenable number.

42804303761 is a deficient number, since it is larger than the sum of its proper divisors (1).

42804303761 is an equidigital number, since it uses as much as digits as its factorization.

42804303761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 42804303761 in words is "forty-two billion, eight hundred four million, three hundred three thousand, seven hundred sixty-one".