693478343 has 2 divisors, whose sum is σ = 693478344. Its totient is φ = 693478342.

The previous prime is 693478273. The next prime is 693478349. The reversal of 693478343 is 343874396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 693478343 - 2¹⁶ = 693412807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346739171 + 346739172.

It is an arithmetic number, because the mean of its divisors is an integer number (346739172).

Almost surely, 2^693478343 is an apocalyptic number.

693478343 is a deficient number, since it is larger than the sum of its proper divisors (1).

693478343 is an equidigital number, since it uses as much as digits as its factorization.

693478343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The square root of 693478343 is about 26333.9769689274. The cubic root of 693478343 is about 885.1379626812.

The spelling of 693478343 in words is "six hundred ninety-three million, four hundred seventy-eight thousand, three hundred forty-three".