6469928693 has 2 divisors, whose sum is σ = 6469928694. Its totient is φ = 6469928692.

The previous prime is 6469928593. The next prime is 6469928701. The reversal of 6469928693 is 3968299646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6342848164 + 127080529 = 79642^2 + 11273^2 .

It is a cyclic number.

It is not a de Polignac number, because 6469928693 - 2¹⁶ = 6469863157 is a prime.

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 (6469928093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234964346 + 3234964347.

It is an arithmetic number, because the mean of its divisors is an integer number (3234964347).

Almost surely, 2^6469928693 is an apocalyptic number.

It is an amenable number.

6469928693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469928693 is an equidigital number, since it uses as much as digits as its factorization.

6469928693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 62.

The square root of 6469928693 is about 80435.8669562279. The cubic root of 6469928693 is about 1863.3731418757.

The spelling of 6469928693 in words is "six billion, four hundred sixty-nine million, nine hundred twenty-eight thousand, six hundred ninety-three".