21027514246 has 8 divisors (see below), whose sum is σ = 31642691184. Its totient is φ = 10479950520.

The previous prime is 21027514231. The next prime is 21027514267. The reversal of 21027514246 is 64241572012.

21027514246 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16902525 + ... + 16903768.

It is an arithmetic number, because the mean of its divisors is an integer number (3955336398).

Almost surely, 2^21027514246 is an apocalyptic number.

21027514246 is a deficient number, since it is larger than the sum of its proper divisors (10615176938).

21027514246 is a wasteful number, since it uses less digits than its factorization.

21027514246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33806606.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 21027514246 in words is "twenty-one billion, twenty-seven million, five hundred fourteen thousand, two hundred forty-six".