3651331563 has 24 divisors (see below), whose sum is σ = 5809489920. Its totient is φ = 2191437360.

The previous prime is 3651331561. The next prime is 3651331603.

3651331563 is a `hidden beast` number, since 3 + 65 + 1 + 3 + 31 + 563 = 666.

3651331563 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3651331563 - 2¹ = 3651331561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3651331561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168843 + ... + 189236.

It is an arithmetic number, because the mean of its divisors is an integer number (242062080).

Almost surely, 2^3651331563 is an apocalyptic number.

3651331563 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3651331563 is a deficient number, since it is larger than the sum of its proper divisors (2158158357).

3651331563 is a wasteful number, since it uses less digits than its factorization.

3651331563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358199 (or 358196 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 3651331563 is about 60426.2489568896. The cubic root of 3651331563 is about 1539.8689328775.

The spelling of 3651331563 in words is "three billion, six hundred fifty-one million, three hundred thirty-one thousand, five hundred sixty-three".