51210400224413 has 8 divisors (see below), whose sum is σ = 54223809152832. Its totient is φ = 48197106012096.

The previous prime is 51210400224409. The next prime is 51210400224419. The reversal of 51210400224413 is 31442200401215.

It is a happy number.

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 51210400224413 - 2² = 51210400224409 is a prime.

It is a super-2 number, since 2×51210400224413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51210400224419) 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, 27759095 + ... + 29546372.

It is an arithmetic number, because the mean of its divisors is an integer number (6777976144104).

Almost surely, 2^{51210400224413} is an apocalyptic number.

It is an amenable number.

51210400224413 is a deficient number, since it is larger than the sum of its proper divisors (3013408928419).

51210400224413 is a wasteful number, since it uses less digits than its factorization.

51210400224413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57358051.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 51210400224413 its reverse (31442200401215), we get a palindrome (82652600625628).

The spelling of 51210400224413 in words is "fifty-one trillion, two hundred ten billion, four hundred million, two hundred twenty-four thousand, four hundred thirteen".