42324605987 has 2 divisors, whose sum is σ = 42324605988. Its totient is φ = 42324605986.

The previous prime is 42324605971. The next prime is 42324606007. The reversal of 42324605987 is 78950642324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42324605987 - 2⁴ = 42324605971 is a prime.

It is not a weakly prime, because it can be changed into another prime (42324605927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21162302993 + 21162302994.

It is an arithmetic number, because the mean of its divisors is an integer number (21162302994).

Almost surely, 2^42324605987 is an apocalyptic number.

42324605987 is a deficient number, since it is larger than the sum of its proper divisors (1).

42324605987 is an equidigital number, since it uses as much as digits as its factorization.

42324605987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 42324605987 in words is "forty-two billion, three hundred twenty-four million, six hundred five thousand, nine hundred eighty-seven".