13793396643 has 48 divisors (see below), whose sum is σ = 22404301920. Its totient is φ = 8118738432.

The previous prime is 13793396633. The next prime is 13793396653. The reversal of 13793396643 is 34669339731.

13793396643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13793396633) and next prime (13793396653).

It is not a de Polignac number, because 13793396643 - 2¹³ = 13793388451 is a prime.

It is a super-2 number, since 2×13793396643² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13793396643.

It is not an unprimeable number, because it can be changed into a prime (13793396633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344055 + ... + 382047.

It is an arithmetic number, because the mean of its divisors is an integer number (466756290).

Almost surely, 2^13793396643 is an apocalyptic number.

13793396643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13793396643 is a deficient number, since it is larger than the sum of its proper divisors (8610905277).

13793396643 is a wasteful number, since it uses less digits than its factorization.

13793396643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38148 (or 38145 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 54.

The spelling of 13793396643 in words is "thirteen billion, seven hundred ninety-three million, three hundred ninety-six thousand, six hundred forty-three".