4469689722421 has 16 divisors (see below), whose sum is σ = 5604811751808. Its totient is φ = 3462742872000.

The previous prime is 4469689722419. The next prime is 4469689722431. The reversal of 4469689722421 is 1242279869644.

It is a cyclic number.

It is not a de Polignac number, because 4469689722421 - 2¹ = 4469689722419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4469689722431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167755230 + ... + 167781871.

It is an arithmetic number, because the mean of its divisors is an integer number (350300734488).

Almost surely, 2^{4469689722421} is an apocalyptic number.

It is an amenable number.

4469689722421 is a deficient number, since it is larger than the sum of its proper divisors (1135122029387).

4469689722421 is a wasteful number, since it uses less digits than its factorization.

4469689722421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335537292.

The product of its digits is 83607552, while the sum is 64.

The spelling of 4469689722421 in words is "four trillion, four hundred sixty-nine billion, six hundred eighty-nine million, seven hundred twenty-two thousand, four hundred twenty-one".