42204261487 has 2 divisors, whose sum is σ = 42204261488. Its totient is φ = 42204261486.

The previous prime is 42204261481. The next prime is 42204261509. The reversal of 42204261487 is 78416240224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42204261487 - 2²³ = 42195872879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42204261481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102130743 + 21102130744.

It is an arithmetic number, because the mean of its divisors is an integer number (21102130744).

Almost surely, 2^42204261487 is an apocalyptic number.

42204261487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42204261487 is an equidigital number, since it uses as much as digits as its factorization.

42204261487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 42204261487 in words is "forty-two billion, two hundred four million, two hundred sixty-one thousand, four hundred eighty-seven".