63699093 has 6 divisors (see below), whose sum is σ = 92009814. Its totient is φ = 42466056.

The previous prime is 63699061. The next prime is 63699127. The reversal of 63699093 is 39099636.

63699093 is a `hidden beast` number, since 636 + 9 + 9 + 0 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63632529 + 66564 = 7977^2 + 258^2 .

It is not a de Polignac number, because 63699093 - 2⁵ = 63699061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63699193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3538830 + ... + 3538847.

It is an arithmetic number, because the mean of its divisors is an integer number (15334969).

Almost surely, 2^63699093 is an apocalyptic number.

It is an amenable number.

63699093 is a deficient number, since it is larger than the sum of its proper divisors (28310721).

63699093 is a wasteful number, since it uses less digits than its factorization.

63699093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077683 (or 7077680 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 45.

The square root of 63699093 is about 7981.1711546615. The cubic root of 63699093 is about 399.3721253660.

The spelling of 63699093 in words is "sixty-three million, six hundred ninety-nine thousand, ninety-three".