63697275794 has 8 divisors (see below), whose sum is σ = 98840600460. Its totient is φ = 30750408976.

The previous prime is 63697275791. The next prime is 63697275799. The reversal of 63697275794 is 49757279636.

It can be written as a sum of positive squares in 2 ways, for example, as 57593760169 + 6103515625 = 239987^2 + 78125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63697275794.

It is not an unprimeable number, because it can be changed into a prime (63697275791) 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 in 3 ways as a sum of consecutive naturals, for example, 549114389 + ... + 549114504.

Almost surely, 2^63697275794 is an apocalyptic number.

63697275794 is a deficient number, since it is larger than the sum of its proper divisors (35143324666).

63697275794 is a wasteful number, since it uses less digits than its factorization.

63697275794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098228924.

The product of its digits is 120022560, while the sum is 65.

The spelling of 63697275794 in words is "sixty-three billion, six hundred ninety-seven million, two hundred seventy-five thousand, seven hundred ninety-four".