69396864451 has 2 divisors, whose sum is σ = 69396864452. Its totient is φ = 69396864450.

The previous prime is 69396864437. The next prime is 69396864463. The reversal of 69396864451 is 15446869396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69396864451 - 2²³ = 69388475843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69396864451.

It is not a weakly prime, because it can be changed into another prime (69396864421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34698432225 + 34698432226.

It is an arithmetic number, because the mean of its divisors is an integer number (34698432226).

Almost surely, 2^69396864451 is an apocalyptic number.

69396864451 is a deficient number, since it is larger than the sum of its proper divisors (1).

69396864451 is an equidigital number, since it uses as much as digits as its factorization.

69396864451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 61.

The spelling of 69396864451 in words is "sixty-nine billion, three hundred ninety-six million, eight hundred sixty-four thousand, four hundred fifty-one".