4401379663 has 4 divisors (see below), whose sum is σ = 4401668520. Its totient is φ = 4401090808.

The previous prime is 4401379649. The next prime is 4401379667. The reversal of 4401379663 is 3669731044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4401379663 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 (4401379667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120220 + ... + 152497.

It is an arithmetic number, because the mean of its divisors is an integer number (1100417130).

Almost surely, 2^4401379663 is an apocalyptic number.

4401379663 is a deficient number, since it is larger than the sum of its proper divisors (288857).

4401379663 is a wasteful number, since it uses less digits than its factorization.

4401379663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288856.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 4401379663 is about 66342.8945931665. The cubic root of 4401379663 is about 1638.8137940975.

The spelling of 4401379663 in words is "four billion, four hundred one million, three hundred seventy-nine thousand, six hundred sixty-three".