244405136620031 has 2 divisors, whose sum is σ = 244405136620032. Its totient is φ = 244405136620030.

The previous prime is 244405136619979. The next prime is 244405136620079. The reversal of 244405136620031 is 130026631504442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244405136620031 is a prime.

It is a super-2 number, since 2×244405136620031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244405136620091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122202568310015 + 122202568310016.

It is an arithmetic number, because the mean of its divisors is an integer number (122202568310016).

Almost surely, 2^{244405136620031} is an apocalyptic number.

244405136620031 is a deficient number, since it is larger than the sum of its proper divisors (1).

244405136620031 is an equidigital number, since it uses as much as digits as its factorization.

244405136620031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 244405136620031 in words is "two hundred forty-four trillion, four hundred five billion, one hundred thirty-six million, six hundred twenty thousand, thirty-one".