2442242442251 has 2 divisors, whose sum is σ = 2442242442252. Its totient is φ = 2442242442250.

The previous prime is 2442242442229. The next prime is 2442242442257. The reversal of 2442242442251 is 1522442422442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2442242442251 - 2²⁶ = 2442175333387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2442242442257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221121221125 + 1221121221126.

It is an arithmetic number, because the mean of its divisors is an integer number (1221121221126).

Almost surely, 2^{2442242442251} is an apocalyptic number.

2442242442251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442242442251 is an equidigital number, since it uses as much as digits as its factorization.

2442242442251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 327680, while the sum is 38.

Adding to 2442242442251 its reverse (1522442422442), we get a palindrome (3964684864693).

The spelling of 2442242442251 in words is "two trillion, four hundred forty-two billion, two hundred forty-two million, four hundred forty-two thousand, two hundred fifty-one".