451254435313 has 4 divisors (see below), whose sum is σ = 492277565808. Its totient is φ = 410231304820.

The previous prime is 451254435263. The next prime is 451254435347. The reversal of 451254435313 is 313534452154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451254435313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451254435013) 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, 20511565231 + ... + 20511565252.

It is an arithmetic number, because the mean of its divisors is an integer number (123069391452).

Almost surely, 2^451254435313 is an apocalyptic number.

It is an amenable number.

451254435313 is a deficient number, since it is larger than the sum of its proper divisors (41023130495).

451254435313 is a wasteful number, since it uses less digits than its factorization.

451254435313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41023130494.

The product of its digits is 432000, while the sum is 40.

Adding to 451254435313 its reverse (313534452154), we get a palindrome (764788887467).

The spelling of 451254435313 in words is "four hundred fifty-one billion, two hundred fifty-four million, four hundred thirty-five thousand, three hundred thirteen".