42576289291 has 2 divisors, whose sum is σ = 42576289292. Its totient is φ = 42576289290.

The previous prime is 42576289243. The next prime is 42576289307. The reversal of 42576289291 is 19298267524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42576289291 - 2⁷ = 42576289163 is a prime.

It is not a weakly prime, because it can be changed into another prime (42576289891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21288144645 + 21288144646.

It is an arithmetic number, because the mean of its divisors is an integer number (21288144646).

Almost surely, 2^42576289291 is an apocalyptic number.

42576289291 is a deficient number, since it is larger than the sum of its proper divisors (1).

42576289291 is an equidigital number, since it uses as much as digits as its factorization.

42576289291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 42576289291 in words is "forty-two billion, five hundred seventy-six million, two hundred eighty-nine thousand, two hundred ninety-one".