4374444801669 has 4 divisors (see below), whose sum is σ = 5832593068896. Its totient is φ = 2916296534444.

The previous prime is 4374444801659. The next prime is 4374444801709. The reversal of 4374444801669 is 9661084444734.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4374444801669 - 2⁸ = 4374444801413 is a prime.

It is a super-3 number, since 3×4374444801669³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4374444801619) 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 3 ways as a sum of consecutive naturals, for example, 729074133609 + ... + 729074133614.

It is an arithmetic number, because the mean of its divisors is an integer number (1458148267224).

Almost surely, 2^{4374444801669} is an apocalyptic number.

It is an amenable number.

4374444801669 is a deficient number, since it is larger than the sum of its proper divisors (1458148267227).

4374444801669 is a wasteful number, since it uses less digits than its factorization.

4374444801669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458148267226.

The product of its (nonzero) digits is 55738368, while the sum is 60.

The spelling of 4374444801669 in words is "four trillion, three hundred seventy-four billion, four hundred forty-four million, eight hundred one thousand, six hundred sixty-nine".