42952897243 has 2 divisors, whose sum is σ = 42952897244. Its totient is φ = 42952897242.

The previous prime is 42952897231. The next prime is 42952897259. The reversal of 42952897243 is 34279825924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42952897243 is a prime.

It is not a weakly prime, because it can be changed into another prime (42952897283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21476448621 + 21476448622.

It is an arithmetic number, because the mean of its divisors is an integer number (21476448622).

Almost surely, 2^42952897243 is an apocalyptic number.

42952897243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42952897243 is an equidigital number, since it uses as much as digits as its factorization.

42952897243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 42952897243 in words is "forty-two billion, nine hundred fifty-two million, eight hundred ninety-seven thousand, two hundred forty-three".