13453402451 has 4 divisors (see below), whose sum is σ = 13521694032. Its totient is φ = 13385110872.

The previous prime is 13453402439. The next prime is 13453402453. The reversal of 13453402451 is 15420435431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13453402451 - 2²⁶ = 13386293587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453402453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34145495 + ... + 34145888.

It is an arithmetic number, because the mean of its divisors is an integer number (3380423508).

Almost surely, 2^13453402451 is an apocalyptic number.

13453402451 is a deficient number, since it is larger than the sum of its proper divisors (68291581).

13453402451 is an equidigital number, since it uses as much as digits as its factorization.

13453402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68291580.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13453402451 its reverse (15420435431), we get a palindrome (28873837882).

The spelling of 13453402451 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, four hundred fifty-one".