21753347270 has 8 divisors (see below), whose sum is σ = 39156025104. Its totient is φ = 8701338904.

The previous prime is 21753347269. The next prime is 21753347281. The reversal of 21753347270 is 7274335712.

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, 1087667354 + ... + 1087667373.

It is an arithmetic number, because the mean of its divisors is an integer number (4894503138).

Almost surely, 2^21753347270 is an apocalyptic number.

21753347270 is a deficient number, since it is larger than the sum of its proper divisors (17402677834).

21753347270 is a wasteful number, since it uses less digits than its factorization.

21753347270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175334734.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 21753347270 in words is "twenty-one billion, seven hundred fifty-three million, three hundred forty-seven thousand, two hundred seventy".