6501365389 has 2 divisors, whose sum is σ = 6501365390. Its totient is φ = 6501365388.

The previous prime is 6501365323. The next prime is 6501365399. The reversal of 6501365389 is 9835631056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3637296100 + 2864069289 = 60310^2 + 53517^2 .

It is a cyclic number.

It is not a de Polignac number, because 6501365389 - 2²⁹ = 5964494477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6501365309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250682694 + 3250682695.

It is an arithmetic number, because the mean of its divisors is an integer number (3250682695).

Almost surely, 2^6501365389 is an apocalyptic number.

It is an amenable number.

6501365389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6501365389 is an equidigital number, since it uses as much as digits as its factorization.

6501365389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 6501365389 is about 80631.0448214582. The cubic root of 6501365389 is about 1866.3862443797.

The spelling of 6501365389 in words is "six billion, five hundred one million, three hundred sixty-five thousand, three hundred eighty-nine".