939147955241 has 2 divisors, whose sum is σ = 939147955242. Its totient is φ = 939147955240.

The previous prime is 939147955139. The next prime is 939147955267. The reversal of 939147955241 is 142559741939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934661634841 + 4486320400 = 966779^2 + 66980^2 .

It is an emirp because it is prime and its reverse (142559741939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939147955241 - 2¹⁴ = 939147938857 is a prime.

It is not a weakly prime, because it can be changed into another prime (939747955241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469573977620 + 469573977621.

It is an arithmetic number, because the mean of its divisors is an integer number (469573977621).

Almost surely, 2^939147955241 is an apocalyptic number.

It is an amenable number.

939147955241 is a deficient number, since it is larger than the sum of its proper divisors (1).

939147955241 is an equidigital number, since it uses as much as digits as its factorization.

939147955241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 59.

The spelling of 939147955241 in words is "nine hundred thirty-nine billion, one hundred forty-seven million, nine hundred fifty-five thousand, two hundred forty-one".