244005425381 has 2 divisors, whose sum is σ = 244005425382. Its totient is φ = 244005425380.

The previous prime is 244005425369. The next prime is 244005425437. The reversal of 244005425381 is 183524500442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148044874756 + 95960550625 = 384766^2 + 309775^2 .

It is a cyclic number.

It is not a de Polignac number, because 244005425381 - 2¹⁰ = 244005424357 is a prime.

It is a super-2 number, since 2×244005425381² (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 (244005425981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122002712690 + 122002712691.

It is an arithmetic number, because the mean of its divisors is an integer number (122002712691).

Almost surely, 2^244005425381 is an apocalyptic number.

It is an amenable number.

244005425381 is a deficient number, since it is larger than the sum of its proper divisors (1).

244005425381 is an equidigital number, since it uses as much as digits as its factorization.

244005425381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 244005425381 in words is "two hundred forty-four billion, five million, four hundred twenty-five thousand, three hundred eighty-one".