939141789613 has 2 divisors, whose sum is σ = 939141789614. Its totient is φ = 939141789612.

The previous prime is 939141789581. The next prime is 939141789709. The reversal of 939141789613 is 316987141939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803097368649 + 136044420964 = 896157^2 + 368842^2 .

It is a cyclic number.

It is not a de Polignac number, because 939141789613 - 2⁵ = 939141789581 is a prime.

It is a super-3 number, since 3×939141789613³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939141789913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469570894806 + 469570894807.

It is an arithmetic number, because the mean of its divisors is an integer number (469570894807).

Almost surely, 2^939141789613 is an apocalyptic number.

It is an amenable number.

939141789613 is a deficient number, since it is larger than the sum of its proper divisors (1).

939141789613 is an equidigital number, since it uses as much as digits as its factorization.

939141789613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 61.

The spelling of 939141789613 in words is "nine hundred thirty-nine billion, one hundred forty-one million, seven hundred eighty-nine thousand, six hundred thirteen".