42022040240249 has 2 divisors, whose sum is σ = 42022040240250. Its totient is φ = 42022040240248.

The previous prime is 42022040240231. The next prime is 42022040240419. The reversal of 42022040240249 is 94204204022024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41596372725625 + 425667514624 = 6449525^2 + 652432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42022040240249 is a prime.

It is not a weakly prime, because it can be changed into another prime (42022040240209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011020120124 + 21011020120125.

It is an arithmetic number, because the mean of its divisors is an integer number (21011020120125).

Almost surely, 2^{42022040240249} is an apocalyptic number.

It is an amenable number.

42022040240249 is a deficient number, since it is larger than the sum of its proper divisors (1).

42022040240249 is an equidigital number, since it uses as much as digits as its factorization.

42022040240249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 42022040240249 in words is "forty-two trillion, twenty-two billion, forty million, two hundred forty thousand, two hundred forty-nine".