63144699 has 16 divisors (see below), whose sum is σ = 86556960. Its totient is φ = 40930560.

The previous prime is 63144671. The next prime is 63144703. The reversal of 63144699 is 99644136.

It is not a de Polignac number, because 63144699 - 2⁵ = 63144667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63144699.

It is not an unprimeable number, because it can be changed into a prime (63144649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14349 + ... + 18225.

It is an arithmetic number, because the mean of its divisors is an integer number (5409810).

Almost surely, 2^63144699 is an apocalyptic number.

63144699 is a deficient number, since it is larger than the sum of its proper divisors (23412261).

63144699 is a wasteful number, since it uses less digits than its factorization.

63144699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030.

The product of its digits is 139968, while the sum is 42.

The square root of 63144699 is about 7946.3638854510. The cubic root of 63144699 is about 398.2101257381.

The spelling of 63144699 in words is "sixty-three million, one hundred forty-four thousand, six hundred ninety-nine".