21004151303433 has 8 divisors (see below), whose sum is σ = 28009345896000. Its totient is φ = 14000862123248.

The previous prime is 21004151303411. The next prime is 21004151303459. The reversal of 21004151303433 is 33430315140012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21004151303433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21004151303433.

It is not an unprimeable number, because it can be changed into a prime (21004151303033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476327373 + ... + 476371466.

It is an arithmetic number, because the mean of its divisors is an integer number (3501168237000).

Almost surely, 2^{21004151303433} is an apocalyptic number.

It is an amenable number.

21004151303433 is a deficient number, since it is larger than the sum of its proper divisors (7005194592567).

21004151303433 is an equidigital number, since it uses as much as digits as its factorization.

21004151303433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952706191.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 21004151303433 its reverse (33430315140012), we get a palindrome (54434466443445).

The spelling of 21004151303433 in words is "twenty-one trillion, four billion, one hundred fifty-one million, three hundred three thousand, four hundred thirty-three".