4421108477 has 4 divisors (see below), whose sum is σ = 4430699196. Its totient is φ = 4411517760.

The previous prime is 4421108467. The next prime is 4421108479. The reversal of 4421108477 is 7748011244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3377236996 + 1043871481 = 58114^2 + 32309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421108477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4421108477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421108479) 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, 4794668 + ... + 4795589.

It is an arithmetic number, because the mean of its divisors is an integer number (1107674799).

Almost surely, 2^4421108477 is an apocalyptic number.

It is an amenable number.

4421108477 is a deficient number, since it is larger than the sum of its proper divisors (9590719).

4421108477 is an equidigital number, since it uses as much as digits as its factorization.

4421108477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590718.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 4421108477 is about 66491.4165663509. The cubic root of 4421108477 is about 1641.2587595907.

The spelling of 4421108477 in words is "four billion, four hundred twenty-one million, one hundred eight thousand, four hundred seventy-seven".