13424433515536 has 40 divisors (see below), whose sum is σ = 26644738315104. Its totient is φ = 6548378307840.

The previous prime is 13424433515527. The next prime is 13424433515557. The reversal of 13424433515536 is 63551533442431.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13424433515536.

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, 40324515 + ... + 40656061.

Almost surely, 2^{13424433515536} is an apocalyptic number.

13424433515536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13424433515536 is a deficient number, since it is larger than the sum of its proper divisors (13220304799568).

13424433515536 is a wasteful number, since it uses less digits than its factorization.

13424433515536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393319 (or 393313 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

Adding to 13424433515536 its reverse (63551533442431), we get a palindrome (76975966957967).

The spelling of 13424433515536 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-three million, five hundred fifteen thousand, five hundred thirty-six".