42925294481 has 2 divisors, whose sum is σ = 42925294482. Its totient is φ = 42925294480.

The previous prime is 42925294471. The next prime is 42925294537. The reversal of 42925294481 is 18449252924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35199763456 + 7725531025 = 187616^2 + 87895^2 .

It is a cyclic number.

It is not a de Polignac number, because 42925294481 - 2²² = 42921100177 is a prime.

It is a super-2 number, since 2×42925294481² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42925294471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21462647240 + 21462647241.

It is an arithmetic number, because the mean of its divisors is an integer number (21462647241).

Almost surely, 2^42925294481 is an apocalyptic number.

It is an amenable number.

42925294481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42925294481 is an equidigital number, since it uses as much as digits as its factorization.

42925294481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The spelling of 42925294481 in words is "forty-two billion, nine hundred twenty-five million, two hundred ninety-four thousand, four hundred eighty-one".