69465797813 has 2 divisors, whose sum is σ = 69465797814. Its totient is φ = 69465797812.

The previous prime is 69465797729. The next prime is 69465797879. The reversal of 69465797813 is 31879756496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67671258769 + 1794539044 = 260137^2 + 42362^2 .

It is a cyclic number.

It is not a de Polignac number, because 69465797813 - 2¹⁸ = 69465535669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69465797813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69465797893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34732898906 + 34732898907.

It is an arithmetic number, because the mean of its divisors is an integer number (34732898907).

Almost surely, 2^69465797813 is an apocalyptic number.

It is an amenable number.

69465797813 is a deficient number, since it is larger than the sum of its proper divisors (1).

69465797813 is an equidigital number, since it uses as much as digits as its factorization.

69465797813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 65.

The spelling of 69465797813 in words is "sixty-nine billion, four hundred sixty-five million, seven hundred ninety-seven thousand, eight hundred thirteen".