21934301733 has 24 divisors (see below), whose sum is σ = 31867180800. Its totient is φ = 14537993184.

The previous prime is 21934301723. The next prime is 21934301789. The reversal of 21934301733 is 33710343912.

It is a happy number.

21934301733 is a `hidden beast` number, since 2 + 193 + 430 + 1 + 7 + 33 = 666.

It is not a de Polignac number, because 21934301733 - 2¹³ = 21934293541 is a prime.

It is a super-2 number, since 2×21934301733² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21934301723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491028 + ... + 1505666.

It is an arithmetic number, because the mean of its divisors is an integer number (1327799200).

Almost surely, 2^21934301733 is an apocalyptic number.

It is an amenable number.

21934301733 is a deficient number, since it is larger than the sum of its proper divisors (9932879067).

21934301733 is a wasteful number, since it uses less digits than its factorization.

21934301733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601 (or 15598 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The spelling of 21934301733 in words is "twenty-one billion, nine hundred thirty-four million, three hundred one thousand, seven hundred thirty-three".