1234013493389 has 2 divisors, whose sum is σ = 1234013493390. Its totient is φ = 1234013493388.

The previous prime is 1234013493359. The next prime is 1234013493413. The reversal of 1234013493389 is 9833943104321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157685617764 + 76327875625 = 1075958^2 + 276275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234013493389 - 2²⁸ = 1233745057933 is a prime.

It is a super-2 number, since 2×1234013493389² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234013493359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617006746694 + 617006746695.

It is an arithmetic number, because the mean of its divisors is an integer number (617006746695).

Almost surely, 2^{1234013493389} is an apocalyptic number.

It is an amenable number.

1234013493389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234013493389 is an equidigital number, since it uses as much as digits as its factorization.

1234013493389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 1234013493389 in words is "one trillion, two hundred thirty-four billion, thirteen million, four hundred ninety-three thousand, three hundred eighty-nine".