13440103451 has 2 divisors, whose sum is σ = 13440103452. Its totient is φ = 13440103450.

The previous prime is 13440103393. The next prime is 13440103459. The reversal of 13440103451 is 15430104431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13440103451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13440103451.

It is not a weakly prime, because it can be changed into another prime (13440103459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720051725 + 6720051726.

It is an arithmetic number, because the mean of its divisors is an integer number (6720051726).

Almost surely, 2^13440103451 is an apocalyptic number.

13440103451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13440103451 is an equidigital number, since it uses as much as digits as its factorization.

13440103451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13440103451 its reverse (15430104431), we get a palindrome (28870207882).

The spelling of 13440103451 in words is "thirteen billion, four hundred forty million, one hundred three thousand, four hundred fifty-one".