244112442421 has 2 divisors, whose sum is σ = 244112442422. Its totient is φ = 244112442420.

The previous prime is 244112442407. The next prime is 244112442433. The reversal of 244112442421 is 124244211442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149931584100 + 94180858321 = 387210^2 + 306889^2 .

It is a cyclic number.

It is not a de Polignac number, because 244112442421 - 2⁵ = 244112442389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244112442461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122056221210 + 122056221211.

It is an arithmetic number, because the mean of its divisors is an integer number (122056221211).

Almost surely, 2^244112442421 is an apocalyptic number.

It is an amenable number.

244112442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244112442421 is an equidigital number, since it uses as much as digits as its factorization.

244112442421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16384, while the sum is 31.

Adding to 244112442421 its reverse (124244211442), we get a palindrome (368356653863).

The spelling of 244112442421 in words is "two hundred forty-four billion, one hundred twelve million, four hundred forty-two thousand, four hundred twenty-one".