693219941 has 2 divisors, whose sum is σ = 693219942. Its totient is φ = 693219940.

The previous prime is 693219907. The next prime is 693219953. The reversal of 693219941 is 149912396.

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., 366875716 + 326344225 = 19154^2 + 18065^2 .

It is a cyclic number.

It is not a de Polignac number, because 693219941 - 2¹⁴ = 693203557 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 693219892 and 693219901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693219971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346609970 + 346609971.

It is an arithmetic number, because the mean of its divisors is an integer number (346609971).

Almost surely, 2^693219941 is an apocalyptic number.

It is an amenable number.

693219941 is a deficient number, since it is larger than the sum of its proper divisors (1).

693219941 is an equidigital number, since it uses as much as digits as its factorization.

693219941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 44.

The square root of 693219941 is about 26329.0702646333. The cubic root of 693219941 is about 885.0280097958.

The spelling of 693219941 in words is "six hundred ninety-three million, two hundred nineteen thousand, nine hundred forty-one".