21714362755 has 8 divisors (see below), whose sum is σ = 26201199024. Its totient is φ = 17275514400.

The previous prime is 21714362749. The next prime is 21714362809. The reversal of 21714362755 is 55726341712.

It is a happy number.

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

It is not a de Polignac number, because 21714362755 - 2³¹ = 19566879107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11995981 + ... + 11997790.

It is an arithmetic number, because the mean of its divisors is an integer number (3275149878).

Almost surely, 2^21714362755 is an apocalyptic number.

21714362755 is a deficient number, since it is larger than the sum of its proper divisors (4486836269).

21714362755 is a wasteful number, since it uses less digits than its factorization.

21714362755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23993957.

The product of its digits is 352800, while the sum is 43.

The spelling of 21714362755 in words is "twenty-one billion, seven hundred fourteen million, three hundred sixty-two thousand, seven hundred fifty-five".