21364764000451 has 8 divisors (see below), whose sum is σ = 21575487919104. Its totient is φ = 21154244771400.

The previous prime is 21364764000361. The next prime is 21364764000457. The reversal of 21364764000451 is 15400046746312.

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 21364764000451 - 2⁴³ = 12568670978243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21364764000398 and 21364764000407.

It is not an unprimeable number, because it can be changed into a prime (21364764000457) 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 7 ways as a sum of consecutive naturals, for example, 50962615 + ... + 51380128.

It is an arithmetic number, because the mean of its divisors is an integer number (2696935989888).

Almost surely, 2^{21364764000451} is an apocalyptic number.

21364764000451 is a deficient number, since it is larger than the sum of its proper divisors (210723918653).

21364764000451 is a wasteful number, since it uses less digits than its factorization.

21364764000451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102344801.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 21364764000451 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred sixty-four million, four hundred fifty-one", and thus it is an aban number.