63705794674 has 4 divisors (see below), whose sum is σ = 95558692014. Its totient is φ = 31852897336.

The previous prime is 63705794641. The next prime is 63705794707. The reversal of 63705794674 is 47649750736.

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

It is an interprime number because it is at equal distance from previous prime (63705794641) and next prime (63705794707).

It can be written as a sum of positive squares in only one way, i.e., 62542507225 + 1163287449 = 250085^2 + 34107^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 15926448667 + ... + 15926448670.

Almost surely, 2^63705794674 is an apocalyptic number.

63705794674 is a deficient number, since it is larger than the sum of its proper divisors (31852897340).

63705794674 is a wasteful number, since it uses less digits than its factorization.

63705794674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31852897339.

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 63705794674 in words is "sixty-three billion, seven hundred five million, seven hundred ninety-four thousand, six hundred seventy-four".