694027542668 has 6 divisors (see below), whose sum is σ = 1214548199676. Its totient is φ = 347013771332.

The previous prime is 694027542647. The next prime is 694027542697. The reversal of 694027542668 is 866245720496.

It is a happy number.

It is an unprimeable number.

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, 86753442830 + ... + 86753442837.

It is an arithmetic number, because the mean of its divisors is an integer number (202424699946).

Almost surely, 2^694027542668 is an apocalyptic number.

It is an amenable number.

694027542668 is a deficient number, since it is larger than the sum of its proper divisors (520520657008).

694027542668 is a wasteful number, since it uses less digits than its factorization.

694027542668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173506885671 (or 173506885669 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 694027542668 in words is "six hundred ninety-four billion, twenty-seven million, five hundred forty-two thousand, six hundred sixty-eight".