13420251451 has 8 divisors (see below), whose sum is σ = 13649914800. Its totient is φ = 13190661600.

The previous prime is 13420251421. The next prime is 13420251461. The reversal of 13420251451 is 15415202431.

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 13420251451 - 2⁵ = 13420251419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420251421) 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, 451765 + ... + 480553.

It is an arithmetic number, because the mean of its divisors is an integer number (1706239350).

Almost surely, 2^13420251451 is an apocalyptic number.

13420251451 is a deficient number, since it is larger than the sum of its proper divisors (229663349).

13420251451 is an equidigital number, since it uses as much as digits as its factorization.

13420251451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36749.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13420251451 its reverse (15415202431), we get a palindrome (28835453882).

The spelling of 13420251451 in words is "thirteen billion, four hundred twenty million, two hundred fifty-one thousand, four hundred fifty-one".