272641123451 has 4 divisors (see below), whose sum is σ = 273321026904. Its totient is φ = 271961220000.

The previous prime is 272641123429. The next prime is 272641123453. The reversal of 272641123451 is 154321146272.

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 272641123451 - 2⁶ = 272641123387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272641123453) 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, 339951125 + ... + 339951926.

It is an arithmetic number, because the mean of its divisors is an integer number (68330256726).

Almost surely, 2^272641123451 is an apocalyptic number.

272641123451 is a deficient number, since it is larger than the sum of its proper divisors (679903453).

272641123451 is an equidigital number, since it uses as much as digits as its factorization.

272641123451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679903452.

The product of its digits is 80640, while the sum is 38.

The spelling of 272641123451 in words is "two hundred seventy-two billion, six hundred forty-one million, one hundred twenty-three thousand, four hundred fifty-one".