42231000129979 has 2 divisors, whose sum is σ = 42231000129980. Its totient is φ = 42231000129978.

The previous prime is 42231000129907. The next prime is 42231000130019. The reversal of 42231000129979 is 97992100013224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42231000129979 - 2¹³ = 42231000121787 is a prime.

It is not a weakly prime, because it can be changed into another prime (42231000129679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115500064989 + 21115500064990.

It is an arithmetic number, because the mean of its divisors is an integer number (21115500064990).

Almost surely, 2^{42231000129979} is an apocalyptic number.

42231000129979 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231000129979 is an equidigital number, since it uses as much as digits as its factorization.

42231000129979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 42231000129979 in words is "forty-two trillion, two hundred thirty-one billion, one hundred twenty-nine thousand, nine hundred seventy-nine".