21382273035 has 24 divisors (see below), whose sum is σ = 38674026144. Its totient is φ = 10908057600.

The previous prime is 21382273019. The next prime is 21382273037. The reversal of 21382273035 is 53037228312.

21382273035 is a `hidden beast` number, since 2 + 1 + 382 + 273 + 0 + 3 + 5 = 666.

It is not a de Polignac number, because 21382273035 - 2⁴ = 21382273019 is a prime.

It is a super-2 number, since 2×21382273035² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21382273037) 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 23 ways as a sum of consecutive naturals, for example, 10328566 + ... + 10330635.

It is an arithmetic number, because the mean of its divisors is an integer number (1611417756).

Almost surely, 2^21382273035 is an apocalyptic number.

21382273035 is a deficient number, since it is larger than the sum of its proper divisors (17291753109).

21382273035 is a wasteful number, since it uses less digits than its factorization.

21382273035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20659235 (or 20659232 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 21382273035 in words is "twenty-one billion, three hundred eighty-two million, two hundred seventy-three thousand, thirty-five".