244132813 has 2 divisors, whose sum is σ = 244132814. Its totient is φ = 244132812.

The previous prime is 244132807. The next prime is 244132849. The reversal of 244132813 is 318231442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237992329 + 6140484 = 15427^2 + 2478^2 .

It is a cyclic number.

It is not a de Polignac number, because 244132813 - 2¹⁷ = 244001741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244132853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122066406 + 122066407.

It is an arithmetic number, because the mean of its divisors is an integer number (122066407).

Almost surely, 2^244132813 is an apocalyptic number.

It is an amenable number.

244132813 is a deficient number, since it is larger than the sum of its proper divisors (1).

244132813 is an equidigital number, since it uses as much as digits as its factorization.

244132813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 244132813 is about 15624.7500140002. The cubic root of 244132813 is about 624.9933336889.

The spelling of 244132813 in words is "two hundred forty-four million, one hundred thirty-two thousand, eight hundred thirteen".