12400283789 has 2 divisors, whose sum is σ = 12400283790. Its totient is φ = 12400283788.

The previous prime is 12400283767. The next prime is 12400283809. The reversal of 12400283789 is 98738200421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12142938025 + 257345764 = 110195^2 + 16042^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400283789 - 2²⁴ = 12383506573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400283719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200141894 + 6200141895.

It is an arithmetic number, because the mean of its divisors is an integer number (6200141895).

Almost surely, 2^12400283789 is an apocalyptic number.

It is an amenable number.

12400283789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400283789 is an equidigital number, since it uses as much as digits as its factorization.

12400283789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12400283789 in words is "twelve billion, four hundred million, two hundred eighty-three thousand, seven hundred eighty-nine".