14344421636 has 24 divisors (see below), whose sum is σ = 26733029400. Its totient is φ = 6711291392.

The previous prime is 14344421629. The next prime is 14344421717. The reversal of 14344421636 is 63612444341.

It can be written as a sum of positive squares in 4 ways, for example, as 5927460100 + 8416961536 = 76990^2 + 91744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14344421636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597911 + ... + 621438.

It is an arithmetic number, because the mean of its divisors is an integer number (1113876225).

Almost surely, 2^14344421636 is an apocalyptic number.

It is an amenable number.

14344421636 is a deficient number, since it is larger than the sum of its proper divisors (12388607764).

14344421636 is a wasteful number, since it uses less digits than its factorization.

14344421636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219543 (or 1219541 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

Adding to 14344421636 its reverse (63612444341), we get a palindrome (77956865977).

The spelling of 14344421636 in words is "fourteen billion, three hundred forty-four million, four hundred twenty-one thousand, six hundred thirty-six".