697813450670 has 24 divisors (see below), whose sum is σ = 1461135920184. Its totient is φ = 239250325776.

The previous prime is 697813450637. The next prime is 697813450729. The reversal of 697813450670 is 76054318796.

It is a super-2 number, since 2×697813450670² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712054052 + ... + 712055031.

It is an arithmetic number, because the mean of its divisors is an integer number (60880663341).

Almost surely, 2^697813450670 is an apocalyptic number.

697813450670 is an abundant number, since it is smaller than the sum of its proper divisors (763322469514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697813450670 is a wasteful number, since it uses less digits than its factorization.

697813450670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424109104 (or 1424109097 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 697813450670 in words is "six hundred ninety-seven billion, eight hundred thirteen million, four hundred fifty thousand, six hundred seventy".