69499495493 has 2 divisors, whose sum is σ = 69499495494. Its totient is φ = 69499495492.

The previous prime is 69499495469. The next prime is 69499495511. The reversal of 69499495493 is 39459499496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60457957924 + 9041537569 = 245882^2 + 95087^2 .

It is a cyclic number.

It is not a de Polignac number, because 69499495493 - 2⁸ = 69499495237 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 (69499495463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34749747746 + 34749747747.

It is an arithmetic number, because the mean of its divisors is an integer number (34749747747).

Almost surely, 2^69499495493 is an apocalyptic number.

It is an amenable number.

69499495493 is a deficient number, since it is larger than the sum of its proper divisors (1).

69499495493 is an equidigital number, since it uses as much as digits as its factorization.

69499495493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340122240, while the sum is 71.

The spelling of 69499495493 in words is "sixty-nine billion, four hundred ninety-nine million, four hundred ninety-five thousand, four hundred ninety-three".