21733752126307 has 4 divisors (see below), whose sum is σ = 23405579212960. Its totient is φ = 20061925039656.

The previous prime is 21733752126263. The next prime is 21733752126343. The reversal of 21733752126307 is 70362125733712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21733752126307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21733752126347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835913543307 + ... + 835913543332.

It is an arithmetic number, because the mean of its divisors is an integer number (5851394803240).

Almost surely, 2^{21733752126307} is an apocalyptic number.

21733752126307 is a deficient number, since it is larger than the sum of its proper divisors (1671827086653).

21733752126307 is a wasteful number, since it uses less digits than its factorization.

21733752126307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671827086652.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 21733752126307 in words is "twenty-one trillion, seven hundred thirty-three billion, seven hundred fifty-two million, one hundred twenty-six thousand, three hundred seven".