63693694 has 4 divisors (see below), whose sum is σ = 95540544. Its totient is φ = 31846846.

The previous prime is 63693689. The next prime is 63693697. The reversal of 63693694 is 49639636.

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 (63693697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15923422 + ... + 15923425.

It is an arithmetic number, because the mean of its divisors is an integer number (23885136).

Almost surely, 2^63693694 is an apocalyptic number.

63693694 is a deficient number, since it is larger than the sum of its proper divisors (31846850).

63693694 is a wasteful number, since it uses less digits than its factorization.

63693694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846849.

The product of its digits is 629856, while the sum is 46.

The square root of 63693694 is about 7980.8329139257. The cubic root of 63693694 is about 399.3608417358.

The spelling of 63693694 in words is "sixty-three million, six hundred ninety-three thousand, six hundred ninety-four".