244314321421 has 2 divisors, whose sum is σ = 244314321422. Its totient is φ = 244314321420.

The previous prime is 244314321389. The next prime is 244314321457. The reversal of 244314321421 is 124123413442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133525198921 + 110789122500 = 365411^2 + 332850^2 .

It is a cyclic number.

It is not a de Polignac number, because 244314321421 - 2⁵ = 244314321389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244314321221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122157160710 + 122157160711.

It is an arithmetic number, because the mean of its divisors is an integer number (122157160711).

Almost surely, 2^244314321421 is an apocalyptic number.

It is an amenable number.

244314321421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244314321421 is an equidigital number, since it uses as much as digits as its factorization.

244314321421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

Adding to 244314321421 its reverse (124123413442), we get a palindrome (368437734863).

The spelling of 244314321421 in words is "two hundred forty-four billion, three hundred fourteen million, three hundred twenty-one thousand, four hundred twenty-one".