21234065362 has 8 divisors (see below), whose sum is σ = 32094236592. Its totient is φ = 10535986500.

The previous prime is 21234065357. The next prime is 21234065387. The reversal of 21234065362 is 26356043212.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40522764 + ... + 40523287.

It is an arithmetic number, because the mean of its divisors is an integer number (4011779574).

Almost surely, 2^21234065362 is an apocalyptic number.

21234065362 is a deficient number, since it is larger than the sum of its proper divisors (10860171230).

21234065362 is a wasteful number, since it uses less digits than its factorization.

21234065362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81046184.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 21234065362 in words is "twenty-one billion, two hundred thirty-four million, sixty-five thousand, three hundred sixty-two".