21032269753 has 32 divisors (see below), whose sum is σ = 24269414400. Its totient is φ = 18040323840.

The previous prime is 21032269723. The next prime is 21032269757. The reversal of 21032269753 is 35796223012.

It is not a de Polignac number, because 21032269753 - 2¹⁷ = 21032138681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21032269757) 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 31 ways as a sum of consecutive naturals, for example, 6373698 + ... + 6376996.

It is an arithmetic number, because the mean of its divisors is an integer number (758419200).

Almost surely, 2^21032269753 is an apocalyptic number.

21032269753 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21032269753 is a deficient number, since it is larger than the sum of its proper divisors (3237144647).

21032269753 is a wasteful number, since it uses less digits than its factorization.

21032269753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 21032269753 in words is "twenty-one billion, thirty-two million, two hundred sixty-nine thousand, seven hundred fifty-three".