21054300627 has 8 divisors (see below), whose sum is σ = 28548204480. Its totient is φ = 13798298600.

The previous prime is 21054300581. The next prime is 21054300667. The reversal of 21054300627 is 72600345012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21054300627 - 2²² = 21050106323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21054300594 and 21054300603.

It is not an unprimeable number, because it can be changed into a prime (21054300667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59475249 + ... + 59475602.

It is an arithmetic number, because the mean of its divisors is an integer number (3568525560).

Almost surely, 2^21054300627 is an apocalyptic number.

21054300627 is a deficient number, since it is larger than the sum of its proper divisors (7493903853).

21054300627 is a wasteful number, since it uses less digits than its factorization.

21054300627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118950913.

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 21054300627 its reverse (72600345012), we get a palindrome (93654645639).

The spelling of 21054300627 in words is "twenty-one billion, fifty-four million, three hundred thousand, six hundred twenty-seven".