63734680294 has 4 divisors (see below), whose sum is σ = 95602020444. Its totient is φ = 31867340146.

The previous prime is 63734680291. The next prime is 63734680307. The reversal of 63734680294 is 49208643736.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63734680291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15933670072 + ... + 15933670075.

It is an arithmetic number, because the mean of its divisors is an integer number (23900505111).

Almost surely, 2^63734680294 is an apocalyptic number.

63734680294 is a deficient number, since it is larger than the sum of its proper divisors (31867340150).

63734680294 is a wasteful number, since it uses less digits than its factorization.

63734680294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31867340149.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 63734680294 in words is "sixty-three billion, seven hundred thirty-four million, six hundred eighty thousand, two hundred ninety-four".