244350315421 has 2 divisors, whose sum is σ = 244350315422. Its totient is φ = 244350315420.

The previous prime is 244350315413. The next prime is 244350315479. The reversal of 244350315421 is 124513053442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226063162521 + 18287152900 = 475461^2 + 135230^2 .

It is a cyclic number.

It is not a de Polignac number, because 244350315421 - 2³ = 244350315413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244350315721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122175157710 + 122175157711.

It is an arithmetic number, because the mean of its divisors is an integer number (122175157711).

Almost surely, 2^244350315421 is an apocalyptic number.

It is an amenable number.

244350315421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244350315421 is an equidigital number, since it uses as much as digits as its factorization.

244350315421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 244350315421 its reverse (124513053442), we get a palindrome (368863368863).

The spelling of 244350315421 in words is "two hundred forty-four billion, three hundred fifty million, three hundred fifteen thousand, four hundred twenty-one".