63948433694 has 8 divisors (see below), whose sum is σ = 96287376240. Its totient is φ = 31852641616.

The previous prime is 63948433667. The next prime is 63948433721. The reversal of 63948433694 is 49633484936.

It is an interprime number because it is at equal distance from previous prime (63948433667) and next prime (63948433721).

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

It is a super-3 number, since 3×63948433694³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60786959 + ... + 60788010.

It is an arithmetic number, because the mean of its divisors is an integer number (12035922030).

Almost surely, 2^63948433694 is an apocalyptic number.

63948433694 is a deficient number, since it is larger than the sum of its proper divisors (32338942546).

63948433694 is a wasteful number, since it uses less digits than its factorization.

63948433694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121575234.

The product of its digits is 40310784, while the sum is 59.

The spelling of 63948433694 in words is "sixty-three billion, nine hundred forty-eight million, four hundred thirty-three thousand, six hundred ninety-four".