42245654237 has 2 divisors, whose sum is σ = 42245654238. Its totient is φ = 42245654236.

The previous prime is 42245654221. The next prime is 42245654257. The reversal of 42245654237 is 73245654224.

42245654237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28497153721 + 13748500516 = 168811^2 + 117254^2 .

It is a cyclic number.

It is not a de Polignac number, because 42245654237 - 2⁴ = 42245654221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42245654207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122827118 + 21122827119.

It is an arithmetic number, because the mean of its divisors is an integer number (21122827119).

Almost surely, 2^42245654237 is an apocalyptic number.

It is an amenable number.

42245654237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42245654237 is an equidigital number, since it uses as much as digits as its factorization.

42245654237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 44.

The spelling of 42245654237 in words is "forty-two billion, two hundred forty-five million, six hundred fifty-four thousand, two hundred thirty-seven".