21342214963 has 8 divisors (see below), whose sum is σ = 22452361200. Its totient is φ = 20257015968.

The previous prime is 21342214951. The next prime is 21342214991. The reversal of 21342214963 is 36941224312.

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

It is not a de Polignac number, because 21342214963 - 2¹⁷ = 21342083891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21342215963) 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 7 ways as a sum of consecutive naturals, for example, 6235056 + ... + 6238477.

It is an arithmetic number, because the mean of its divisors is an integer number (2806545150).

Almost surely, 2^21342214963 is an apocalyptic number.

21342214963 is a deficient number, since it is larger than the sum of its proper divisors (1110146237).

21342214963 is a wasteful number, since it uses less digits than its factorization.

21342214963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473621.

The product of its digits is 62208, while the sum is 37.

The spelling of 21342214963 in words is "twenty-one billion, three hundred forty-two million, two hundred fourteen thousand, nine hundred sixty-three".