122633847389 has 2 divisors, whose sum is σ = 122633847390. Its totient is φ = 122633847388.

The previous prime is 122633847337. The next prime is 122633847403. The reversal of 122633847389 is 983748336221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87946647364 + 34687200025 = 296558^2 + 186245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122633847389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122633847289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61316923694 + 61316923695.

It is an arithmetic number, because the mean of its divisors is an integer number (61316923695).

Almost surely, 2^122633847389 is an apocalyptic number.

It is an amenable number.

122633847389 is a deficient number, since it is larger than the sum of its proper divisors (1).

122633847389 is an equidigital number, since it uses as much as digits as its factorization.

122633847389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The spelling of 122633847389 in words is "one hundred twenty-two billion, six hundred thirty-three million, eight hundred forty-seven thousand, three hundred eighty-nine".