42452104997 has 2 divisors, whose sum is σ = 42452104998. Its totient is φ = 42452104996.

The previous prime is 42452104979. The next prime is 42452105021. The reversal of 42452104997 is 79940125424.

It is a happy number.

Together with previous prime (42452104979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27476709121 + 14975395876 = 165761^2 + 122374^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452104997 - 2²⁰ = 42451056421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42452104297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226052498 + 21226052499.

It is an arithmetic number, because the mean of its divisors is an integer number (21226052499).

Almost surely, 2^42452104997 is an apocalyptic number.

It is an amenable number.

42452104997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452104997 is an equidigital number, since it uses as much as digits as its factorization.

42452104997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 42452104997 in words is "forty-two billion, four hundred fifty-two million, one hundred four thousand, nine hundred ninety-seven".