69999493 has 2 divisors, whose sum is σ = 69999494. Its totient is φ = 69999492.

The previous prime is 69999487. The next prime is 69999541. The reversal of 69999493 is 39499996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 23990404 = 6783^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 69999493 - 2¹³ = 69991301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69999443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34999746 + 34999747.

It is an arithmetic number, because the mean of its divisors is an integer number (34999747).

Almost surely, 2^69999493 is an apocalyptic number.

It is an amenable number.

69999493 is a deficient number, since it is larger than the sum of its proper divisors (1).

69999493 is an equidigital number, since it uses as much as digits as its factorization.

69999493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4251528, while the sum is 58.

The square root of 69999493 is about 8366.5699662406. The cubic root of 69999493 is about 412.1275349824.

The spelling of 69999493 in words is "sixty-nine million, nine hundred ninety-nine thousand, four hundred ninety-three".