21303282358 has 32 divisors (see below), whose sum is σ = 32587776000. Its totient is φ = 10442895840.

The previous prime is 21303282331. The next prime is 21303282359. The reversal of 21303282358 is 85328230312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303282359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16655563 + ... + 16656841.

It is an arithmetic number, because the mean of its divisors is an integer number (1018368000).

Almost surely, 2^21303282358 is an apocalyptic number.

21303282358 is a deficient number, since it is larger than the sum of its proper divisors (11284493642).

21303282358 is a wasteful number, since it uses less digits than its factorization.

21303282358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 21303282358 in words is "twenty-one billion, three hundred three million, two hundred eighty-two thousand, three hundred fifty-eight".