42154333079 has 2 divisors, whose sum is σ = 42154333080. Its totient is φ = 42154333078.

The previous prime is 42154333057. The next prime is 42154333099. The reversal of 42154333079 is 97033345124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42154333079 - 2⁸ = 42154332823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42154333009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077166539 + 21077166540.

It is an arithmetic number, because the mean of its divisors is an integer number (21077166540).

Almost surely, 2^42154333079 is an apocalyptic number.

42154333079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154333079 is an equidigital number, since it uses as much as digits as its factorization.

42154333079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 42154333079 in words is "forty-two billion, one hundred fifty-four million, three hundred thirty-three thousand, seventy-nine".