69931344893 has 2 divisors, whose sum is σ = 69931344894. Its totient is φ = 69931344892.

The previous prime is 69931344877. The next prime is 69931344907. The reversal of 69931344893 is 39844313996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63575588164 + 6355756729 = 252142^2 + 79723^2 .

It is a cyclic number.

It is not a de Polignac number, because 69931344893 - 2⁴ = 69931344877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69931344193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34965672446 + 34965672447.

It is an arithmetic number, because the mean of its divisors is an integer number (34965672447).

Almost surely, 2^69931344893 is an apocalyptic number.

It is an amenable number.

69931344893 is a deficient number, since it is larger than the sum of its proper divisors (1).

69931344893 is an equidigital number, since it uses as much as digits as its factorization.

69931344893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15116544, while the sum is 59.

The spelling of 69931344893 in words is "sixty-nine billion, nine hundred thirty-one million, three hundred forty-four thousand, eight hundred ninety-three".