939253863973 has 2 divisors, whose sum is σ = 939253863974. Its totient is φ = 939253863972.

The previous prime is 939253863881. The next prime is 939253864001. The reversal of 939253863973 is 379368352939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521909439489 + 417344424484 = 722433^2 + 646022^2 .

It is a cyclic number.

It is not a de Polignac number, because 939253863973 - 2¹³ = 939253855781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 939253863899 and 939253863908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939253803973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469626931986 + 469626931987.

It is an arithmetic number, because the mean of its divisors is an integer number (469626931987).

Almost surely, 2^939253863973 is an apocalyptic number.

It is an amenable number.

939253863973 is a deficient number, since it is larger than the sum of its proper divisors (1).

939253863973 is an equidigital number, since it uses as much as digits as its factorization.

939253863973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198404640, while the sum is 67.

The spelling of 939253863973 in words is "nine hundred thirty-nine billion, two hundred fifty-three million, eight hundred sixty-three thousand, nine hundred seventy-three".