13451256403 has 8 divisors (see below), whose sum is σ = 14502962768. Its totient is φ = 12401977824.

The previous prime is 13451256373. The next prime is 13451256421. The reversal of 13451256403 is 30465215431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13451256403 - 2⁹ = 13451255891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13451256433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595425 + ... + 617602.

It is an arithmetic number, because the mean of its divisors is an integer number (1812870346).

Almost surely, 2^13451256403 is an apocalyptic number.

13451256403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13451256403 is a deficient number, since it is larger than the sum of its proper divisors (1051706365).

13451256403 is a wasteful number, since it uses less digits than its factorization.

13451256403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213893.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 13451256403 in words is "thirteen billion, four hundred fifty-one million, two hundred fifty-six thousand, four hundred three".