13403866226451 has 32 divisors (see below), whose sum is σ = 19009715816448. Its totient is φ = 8371782397440.

The previous prime is 13403866226447. The next prime is 13403866226551. The reversal of 13403866226451 is 15462266830431.

It is not a de Polignac number, because 13403866226451 - 2² = 13403866226447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 13403866226394 and 13403866226403.

It is not an unprimeable number, because it can be changed into a prime (13403866226251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138827445 + ... + 138923961.

It is an arithmetic number, because the mean of its divisors is an integer number (594053619264).

Almost surely, 2^{13403866226451} is an apocalyptic number.

13403866226451 is a deficient number, since it is larger than the sum of its proper divisors (5605849589997).

13403866226451 is a wasteful number, since it uses less digits than its factorization.

13403866226451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108971.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 13403866226451 in words is "thirteen trillion, four hundred three billion, eight hundred sixty-six million, two hundred twenty-six thousand, four hundred fifty-one".