697994212463 has 4 divisors (see below), whose sum is σ = 722062978440. Its totient is φ = 673925446488.

The previous prime is 697994212457. The next prime is 697994212493. The reversal of 697994212463 is 364212499796.

697994212463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-697994212463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697994212396 and 697994212405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697994212493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034382945 + ... + 12034383002.

It is an arithmetic number, because the mean of its divisors is an integer number (180515744610).

Almost surely, 2^697994212463 is an apocalyptic number.

697994212463 is a deficient number, since it is larger than the sum of its proper divisors (24068765977).

697994212463 is a wasteful number, since it uses less digits than its factorization.

697994212463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068765976.

The product of its digits is 35271936, while the sum is 62.

The spelling of 697994212463 in words is "six hundred ninety-seven billion, nine hundred ninety-four million, two hundred twelve thousand, four hundred sixty-three".