42250882807439 has 2 divisors, whose sum is σ = 42250882807440. Its totient is φ = 42250882807438.

The previous prime is 42250882807391. The next prime is 42250882807499. The reversal of 42250882807439 is 93470828805224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42250882807439 - 2¹² = 42250882803343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42250882807499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21125441403719 + 21125441403720.

It is an arithmetic number, because the mean of its divisors is an integer number (21125441403720).

Almost surely, 2^{42250882807439} is an apocalyptic number.

42250882807439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42250882807439 is an equidigital number, since it uses as much as digits as its factorization.

42250882807439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 42250882807439 in words is "forty-two trillion, two hundred fifty billion, eight hundred eighty-two million, eight hundred seven thousand, four hundred thirty-nine".