21367333046 has 16 divisors (see below), whose sum is σ = 32802029568. Its totient is φ = 10433409000.

The previous prime is 21367333037. The next prime is 21367333049. The reversal of 21367333046 is 64033376312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21367333049) 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 7 ways as a sum of consecutive naturals, for example, 576371 + ... + 612321.

It is an arithmetic number, because the mean of its divisors is an integer number (2050126848).

Almost surely, 2^21367333046 is an apocalyptic number.

21367333046 is a deficient number, since it is larger than the sum of its proper divisors (11434696522).

21367333046 is a wasteful number, since it uses less digits than its factorization.

21367333046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42907.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 21367333046 in words is "twenty-one billion, three hundred sixty-seven million, three hundred thirty-three thousand, forty-six".