63749151 has 12 divisors (see below), whose sum is σ = 92153880. Its totient is φ = 42466320.

The previous prime is 63749149. The next prime is 63749183. The reversal of 63749151 is 15194736.

63749151 is a `hidden beast` number, since 637 + 4 + 9 + 15 + 1 = 666.

It is not a de Polignac number, because 63749151 - 2¹ = 63749149 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63749111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16516 + ... + 20006.

It is an arithmetic number, because the mean of its divisors is an integer number (7679490).

Almost surely, 2^63749151 is an apocalyptic number.

63749151 is a deficient number, since it is larger than the sum of its proper divisors (28404729).

63749151 is a wasteful number, since it uses less digits than its factorization.

63749151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5523 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 63749151 is about 7984.3065447163. The cubic root of 63749151 is about 399.4767136437.

The spelling of 63749151 in words is "sixty-three million, seven hundred forty-nine thousand, one hundred fifty-one".