3139457398789 has 2 divisors, whose sum is σ = 3139457398790. Its totient is φ = 3139457398788.

The previous prime is 3139457398747. The next prime is 3139457398793. The reversal of 3139457398789 is 9878937549313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3138903173025 + 554225764 = 1771695^2 + 23542^2 .

It is a cyclic number.

It is not a de Polignac number, because 3139457398789 - 2⁹ = 3139457398277 is a prime.

It is a super-3 number, since 3×3139457398789³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139457398739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569728699394 + 1569728699395.

It is an arithmetic number, because the mean of its divisors is an integer number (1569728699395).

Almost surely, 2^{3139457398789} is an apocalyptic number.

It is an amenable number.

3139457398789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139457398789 is an equidigital number, since it uses as much as digits as its factorization.

3139457398789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234517760, while the sum is 76.

The spelling of 3139457398789 in words is "three trillion, one hundred thirty-nine billion, four hundred fifty-seven million, three hundred ninety-eight thousand, seven hundred eighty-nine".