693736349 has 2 divisors, whose sum is σ = 693736350. Its totient is φ = 693736348.

The previous prime is 693736333. The next prime is 693736363. The reversal of 693736349 is 943637396.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359102500 + 334633849 = 18950^2 + 18293^2 .

It is a cyclic number.

It is not a de Polignac number, because 693736349 - 2⁴ = 693736333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 693736297 and 693736306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693736049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346868174 + 346868175.

It is an arithmetic number, because the mean of its divisors is an integer number (346868175).

Almost surely, 2^693736349 is an apocalyptic number.

It is an amenable number.

693736349 is a deficient number, since it is larger than the sum of its proper divisors (1).

693736349 is an equidigital number, since it uses as much as digits as its factorization.

693736349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 50.

The square root of 693736349 is about 26338.8752417411. The cubic root of 693736349 is about 885.2477198168.

The spelling of 693736349 in words is "six hundred ninety-three million, seven hundred thirty-six thousand, three hundred forty-nine".