4406623913 has 2 divisors, whose sum is σ = 4406623914. Its totient is φ = 4406623912.

The previous prime is 4406623909. The next prime is 4406623927. The reversal of 4406623913 is 3193266044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4391977984 + 14645929 = 66272^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406623913 - 2² = 4406623909 is a prime.

It is not a weakly prime, because it can be changed into another prime (4406623943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203311956 + 2203311957.

It is an arithmetic number, because the mean of its divisors is an integer number (2203311957).

Almost surely, 2^4406623913 is an apocalyptic number.

It is an amenable number.

4406623913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406623913 is an equidigital number, since it uses as much as digits as its factorization.

4406623913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 4406623913 is about 66382.4066526666. The cubic root of 4406623913 is about 1639.4644187320.

Adding to 4406623913 its reverse (3193266044), we get a palindrome (7599889957).

The spelling of 4406623913 in words is "four billion, four hundred six million, six hundred twenty-three thousand, nine hundred thirteen".