21014154675 has 48 divisors (see below), whose sum is σ = 38641415680. Its totient is φ = 11196623520.

The previous prime is 21014154673. The next prime is 21014154697. The reversal of 21014154675 is 57645141012.

21014154675 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 41 + 546 + 75 = 666.

It is not a de Polignac number, because 21014154675 - 2¹ = 21014154673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21014154673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 702882 + ... + 732168.

Almost surely, 2^21014154675 is an apocalyptic number.

21014154675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21014154675 is a deficient number, since it is larger than the sum of its proper divisors (17627261005).

21014154675 is a wasteful number, since it uses less digits than its factorization.

21014154675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30369 (or 30358 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 21014154675 its reverse (57645141012), we get a palindrome (78659295687).

The spelling of 21014154675 in words is "twenty-one billion, fourteen million, one hundred fifty-four thousand, six hundred seventy-five".