694940213 has 8 divisors (see below), whose sum is σ = 766635840. Its totient is φ = 624664480.

The previous prime is 694940209. The next prime is 694940227. The reversal of 694940213 is 312049496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 694940213 - 2² = 694940209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694960213) 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 in 7 ways as a sum of consecutive naturals, for example, 353945 + ... + 355902.

It is an arithmetic number, because the mean of its divisors is an integer number (95829480).

Almost surely, 2^694940213 is an apocalyptic number.

It is an amenable number.

694940213 is a deficient number, since it is larger than the sum of its proper divisors (71695627).

694940213 is a wasteful number, since it uses less digits than its factorization.

694940213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709947.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 694940213 is about 26361.7187034533. The cubic root of 694940213 is about 885.7594906057.

The spelling of 694940213 in words is "six hundred ninety-four million, nine hundred forty thousand, two hundred thirteen".