21037376353 has 8 divisors (see below), whose sum is σ = 24043791872. Its totient is φ = 18031229856.

The previous prime is 21037376293. The next prime is 21037376407. The reversal of 21037376353 is 35367373012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21037376353 - 2⁹ = 21037375841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21037376753) 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, 144976 + ... + 251182.

It is an arithmetic number, because the mean of its divisors is an integer number (3005473984).

Almost surely, 2^21037376353 is an apocalyptic number.

It is an amenable number.

21037376353 is a deficient number, since it is larger than the sum of its proper divisors (3006415519).

21037376353 is a wasteful number, since it uses less digits than its factorization.

21037376353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134511.

The product of its (nonzero) digits is 238140, while the sum is 40.

The spelling of 21037376353 in words is "twenty-one billion, thirty-seven million, three hundred seventy-six thousand, three hundred fifty-three".