38244649727231 has 2 divisors, whose sum is σ = 38244649727232. Its totient is φ = 38244649727230.

The previous prime is 38244649727203. The next prime is 38244649727267. The reversal of 38244649727231 is 13272794644283.

It is a weak prime.

It is an emirp because it is prime and its reverse (13272794644283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38244649727231 - 2¹⁴ = 38244649710847 is a prime.

It is a super-2 number, since 2×38244649727231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38244649727201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19122324863615 + 19122324863616.

It is an arithmetic number, because the mean of its divisors is an integer number (19122324863616).

Almost surely, 2^{38244649727231} is an apocalyptic number.

38244649727231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38244649727231 is an equidigital number, since it uses as much as digits as its factorization.

38244649727231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 62.

The spelling of 38244649727231 in words is "thirty-eight trillion, two hundred forty-four billion, six hundred forty-nine million, seven hundred twenty-seven thousand, two hundred thirty-one".