13426356503 has 8 divisors (see below), whose sum is σ = 15345532800. Its totient is φ = 11507461560.

The previous prime is 13426356499. The next prime is 13426356539. The reversal of 13426356503 is 30565362431.

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

It is not a de Polignac number, because 13426356503 - 2² = 13426356499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426356583) 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, 44408 + ... + 169778.

It is an arithmetic number, because the mean of its divisors is an integer number (1918191600).

Almost surely, 2^13426356503 is an apocalyptic number.

13426356503 is a deficient number, since it is larger than the sum of its proper divisors (1919176297).

13426356503 is a wasteful number, since it uses less digits than its factorization.

13426356503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140677.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 13426356503 in words is "thirteen billion, four hundred twenty-six million, three hundred fifty-six thousand, five hundred three".