4450620409 has 4 divisors (see below), whose sum is σ = 4454715904. Its totient is φ = 4446524916.

The previous prime is 4450620371. The next prime is 4450620469. The reversal of 4450620409 is 9040260544.

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 a de Polignac number, because none of the positive numbers 2^k-4450620409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4450620469) 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, 2046117 + ... + 2048290.

It is an arithmetic number, because the mean of its divisors is an integer number (1113678976).

Almost surely, 2^4450620409 is an apocalyptic number.

It is an amenable number.

4450620409 is a deficient number, since it is larger than the sum of its proper divisors (4095495).

4450620409 is a wasteful number, since it uses less digits than its factorization.

4450620409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095494.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4450620409 is about 66712.9703206206. The cubic root of 4450620409 is about 1644.9025923235.

The spelling of 4450620409 in words is "four billion, four hundred fifty million, six hundred twenty thousand, four hundred nine".