694474856505 has 48 divisors (see below), whose sum is σ = 1257355457280. Its totient is φ = 354142583424.

The previous prime is 694474856459. The next prime is 694474856521. The reversal of 694474856505 is 505658474496.

694474856505 is a `hidden beast` number, since 6 + 9 + 4 + 4 + 74 + 8 + 56 + 505 = 666.

694474856505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694474856505 - 2⁶ = 694474856441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2448909 + ... + 2717738.

It is an arithmetic number, because the mean of its divisors is an integer number (26194905360).

Almost surely, 2^694474856505 is an apocalyptic number.

It is an amenable number.

694474856505 is a deficient number, since it is larger than the sum of its proper divisors (562880600775).

694474856505 is a wasteful number, since it uses less digits than its factorization.

694474856505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166790 (or 5166787 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 694474856505 in words is "six hundred ninety-four billion, four hundred seventy-four million, eight hundred fifty-six thousand, five hundred five".