4479501900409 has 2 divisors, whose sum is σ = 4479501900410. Its totient is φ = 4479501900408.

The previous prime is 4479501900371. The next prime is 4479501900449. The reversal of 4479501900409 is 9040091059744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4443980205625 + 35521694784 = 2108075^2 + 188472^2 .

It is a cyclic number.

It is not a de Polignac number, because 4479501900409 - 2²¹ = 4479499803257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4479501900449) 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 as a sum of consecutive naturals, namely, 2239750950204 + 2239750950205.

It is an arithmetic number, because the mean of its divisors is an integer number (2239750950205).

Almost surely, 2^{4479501900409} is an apocalyptic number.

It is an amenable number.

4479501900409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4479501900409 is an equidigital number, since it uses as much as digits as its factorization.

4479501900409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 4479501900409 in words is "four trillion, four hundred seventy-nine billion, five hundred one million, nine hundred thousand, four hundred nine".