63969695 has 8 divisors (see below), whose sum is σ = 77509536. Its totient is φ = 50678496.

The previous prime is 63969683. The next prime is 63969727. The reversal of 63969695 is 59696936.

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

It is a cyclic number.

It is not a de Polignac number, because 63969695 - 2¹⁴ = 63953311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61592 + ... + 62621.

It is an arithmetic number, because the mean of its divisors is an integer number (9688692).

Almost surely, 2^63969695 is an apocalyptic number.

63969695 is a deficient number, since it is larger than the sum of its proper divisors (13539841).

63969695 is a wasteful number, since it uses less digits than its factorization.

63969695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124321.

The product of its digits is 2361960, while the sum is 53.

The square root of 63969695 is about 7998.1057132299. The cubic root of 63969695 is about 399.9368546155.

The spelling of 63969695 in words is "sixty-three million, nine hundred sixty-nine thousand, six hundred ninety-five".