21334094590 has 16 divisors (see below), whose sum is σ = 40070995488. Its totient is φ = 8162610016.

The previous prime is 21334094581. The next prime is 21334094591. The reversal of 21334094590 is 9549043312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334094591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46378237 + ... + 46378696.

It is an arithmetic number, because the mean of its divisors is an integer number (2504437218).

Almost surely, 2^21334094590 is an apocalyptic number.

21334094590 is a deficient number, since it is larger than the sum of its proper divisors (18736900898).

21334094590 is a wasteful number, since it uses less digits than its factorization.

21334094590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92756963.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 21334094590 in words is "twenty-one billion, three hundred thirty-four million, ninety-four thousand, five hundred ninety".