39138271349741 has 2 divisors, whose sum is σ = 39138271349742. Its totient is φ = 39138271349740.

The previous prime is 39138271349729. The next prime is 39138271349869. The reversal of 39138271349741 is 14794317283193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38979107055625 + 159164294116 = 6243325^2 + 398954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39138271349741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39138271349701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19569135674870 + 19569135674871.

It is an arithmetic number, because the mean of its divisors is an integer number (19569135674871).

Almost surely, 2^{39138271349741} is an apocalyptic number.

It is an amenable number.

39138271349741 is a deficient number, since it is larger than the sum of its proper divisors (1).

39138271349741 is an equidigital number, since it uses as much as digits as its factorization.

39138271349741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 62.

The spelling of 39138271349741 in words is "thirty-nine trillion, one hundred thirty-eight billion, two hundred seventy-one million, three hundred forty-nine thousand, seven hundred forty-one".