63399714849 has 45 divisors (see below), whose sum is σ = 96001777641. Its totient is φ = 41696920800.

The previous prime is 63399714701. The next prime is 63399714853. The reversal of 63399714849 is 94841799336.

The square root of 63399714849 is 251793.

It is a perfect power (a square), and thus also a powerful number.

63399714849 is a `hidden beast` number, since 63 + 3 + 9 + 97 + 1 + 484 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3260981025 + 60138733824 = 57105^2 + 245232^2 .

It is not a de Polignac number, because 63399714849 - 2¹¹ = 63399712801 is a prime.

It is a super-2 number, since 2×63399714849² (a number of 22 digits) contains 22 as substring.

Its product of digits (35271936) is a multiple of the sum of its prime factors (768).

It is not an unprimeable number, because it can be changed into a prime (63399714149) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 228879699 + ... + 228879975.

Almost surely, 2^63399714849 is an apocalyptic number.

63399714849 is the 251793-rd square number.

63399714849 is the 125897-th centered octagonal number.

It is an amenable number.

63399714849 is a deficient number, since it is larger than the sum of its proper divisors (32602062792).

63399714849 is an frugal number, since it uses more digits than its factorization.

63399714849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 381 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

It can be divided in two parts, 633997 and 14849, that added together give a palindrome (648846).

The spelling of 63399714849 in words is "sixty-three billion, three hundred ninety-nine million, seven hundred fourteen thousand, eight hundred forty-nine".