5120001324989 has 2 divisors, whose sum is σ = 5120001324990. Its totient is φ = 5120001324988.

The previous prime is 5120001324979. The next prime is 5120001325009. The reversal of 5120001324989 is 9894231000215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4930806773764 + 189194551225 = 2220542^2 + 434965^2 .

It is a cyclic number.

It is not a de Polignac number, because 5120001324989 - 2⁸ = 5120001324733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5120001324979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560000662494 + 2560000662495.

It is an arithmetic number, because the mean of its divisors is an integer number (2560000662495).

Almost surely, 2^{5120001324989} is an apocalyptic number.

It is an amenable number.

5120001324989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120001324989 is an equidigital number, since it uses as much as digits as its factorization.

5120001324989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 5120001324989 in words is "five trillion, one hundred twenty billion, one million, three hundred twenty-four thousand, nine hundred eighty-nine".