51451233414 has 64 divisors (see below), whose sum is σ = 125729750016. Its totient is φ = 13701279744.

The previous prime is 51451233413. The next prime is 51451233481. The reversal of 51451233414 is 41433215415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51451233413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276267 + ... + 423350.

It is an arithmetic number, because the mean of its divisors is an integer number (1964527344).

Almost surely, 2^51451233414 is an apocalyptic number.

51451233414 is an abundant number, since it is smaller than the sum of its proper divisors (74278516602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51451233414 is a wasteful number, since it uses less digits than its factorization.

51451233414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699749.

The product of its digits is 28800, while the sum is 33.

Adding to 51451233414 its reverse (41433215415), we get a palindrome (92884448829).

The spelling of 51451233414 in words is "fifty-one billion, four hundred fifty-one million, two hundred thirty-three thousand, four hundred fourteen".