63695564 has 6 divisors (see below), whose sum is σ = 111467244. Its totient is φ = 31847780.

The previous prime is 63695561. The next prime is 63695573. The reversal of 63695564 is 46559636.

It is not an unprimeable number, because it can be changed into a prime (63695561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7961942 + ... + 7961949.

It is an arithmetic number, because the mean of its divisors is an integer number (18577874).

Almost surely, 2^63695564 is an apocalyptic number.

It is an amenable number.

63695564 is a deficient number, since it is larger than the sum of its proper divisors (47771680).

63695564 is a wasteful number, since it uses less digits than its factorization.

63695564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923895 (or 15923893 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The square root of 63695564 is about 7980.9500687575. The cubic root of 63695564 is about 399.3647500110.

The spelling of 63695564 in words is "sixty-three million, six hundred ninety-five thousand, five hundred sixty-four".