694222213897 has 8 divisors (see below), whose sum is σ = 703934915040. Its totient is φ = 684541621920.

The previous prime is 694222213843. The next prime is 694222213939. The reversal of 694222213897 is 798312222496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-694222213897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694222213697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983747 + ... + 8070232.

It is an arithmetic number, because the mean of its divisors is an integer number (87991864380).

Almost surely, 2^694222213897 is an apocalyptic number.

It is an amenable number.

694222213897 is a deficient number, since it is larger than the sum of its proper divisors (9712701143).

694222213897 is a wasteful number, since it uses less digits than its factorization.

694222213897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16054583.

The product of its digits is 5225472, while the sum is 55.

The spelling of 694222213897 in words is "six hundred ninety-four billion, two hundred twenty-two million, two hundred thirteen thousand, eight hundred ninety-seven".