244644642373 has 2 divisors, whose sum is σ = 244644642374. Its totient is φ = 244644642372.

The previous prime is 244644642349. The next prime is 244644642421. The reversal of 244644642373 is 373246446442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244177304449 + 467337924 = 494143^2 + 21618^2 .

It is a cyclic number.

It is not a de Polignac number, because 244644642373 - 2¹⁷ = 244644511301 is a prime.

It is a super-2 number, since 2×244644642373² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244644642173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122322321186 + 122322321187.

It is an arithmetic number, because the mean of its divisors is an integer number (122322321187).

Almost surely, 2^244644642373 is an apocalyptic number.

It is an amenable number.

244644642373 is a deficient number, since it is larger than the sum of its proper divisors (1).

244644642373 is an equidigital number, since it uses as much as digits as its factorization.

244644642373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 49.

The spelling of 244644642373 in words is "two hundred forty-four billion, six hundred forty-four million, six hundred forty-two thousand, three hundred seventy-three".