693623141 has 2 divisors, whose sum is σ = 693623142. Its totient is φ = 693623140.

The previous prime is 693623129. The next prime is 693623143. The reversal of 693623141 is 141326396.

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., 692795041 + 828100 = 26321^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 693623141 - 2¹⁴ = 693606757 is a prime.

It is a super-2 number, since 2×693623141² = 962226123461411762, which contains 22 as substring.

Together with 693623143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693623143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346811570 + 346811571.

It is an arithmetic number, because the mean of its divisors is an integer number (346811571).

Almost surely, 2^693623141 is an apocalyptic number.

It is an amenable number.

693623141 is a deficient number, since it is larger than the sum of its proper divisors (1).

693623141 is an equidigital number, since it uses as much as digits as its factorization.

693623141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 693623141 is about 26336.7260873481. The cubic root of 693623141 is about 885.1995638779.

The spelling of 693623141 in words is "six hundred ninety-three million, six hundred twenty-three thousand, one hundred forty-one".