244155344047 has 2 divisors, whose sum is σ = 244155344048. Its totient is φ = 244155344046.

The previous prime is 244155344023. The next prime is 244155344063. The reversal of 244155344047 is 740443551442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244155344047 is a prime.

It is a super-2 number, since 2×244155344047² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244155343994 and 244155344012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244155344087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122077672023 + 122077672024.

It is an arithmetic number, because the mean of its divisors is an integer number (122077672024).

Almost surely, 2^244155344047 is an apocalyptic number.

244155344047 is a deficient number, since it is larger than the sum of its proper divisors (1).

244155344047 is an equidigital number, since it uses as much as digits as its factorization.

244155344047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 43.

Adding to 244155344047 its reverse (740443551442), we get a palindrome (984598895489).

The spelling of 244155344047 in words is "two hundred forty-four billion, one hundred fifty-five million, three hundred forty-four thousand, forty-seven".