51241270413 has 8 divisors (see below), whose sum is σ = 68376400000. Its totient is φ = 34133493888.

The previous prime is 51241270369. The next prime is 51241270433. The reversal of 51241270413 is 31407214215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51241270413 - 2⁹ = 51241269901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241270433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833893 + ... + 6841386.

It is an arithmetic number, because the mean of its divisors is an integer number (8547050000).

Almost surely, 2^51241270413 is an apocalyptic number.

It is an amenable number.

51241270413 is a deficient number, since it is larger than the sum of its proper divisors (17135129587).

51241270413 is a wasteful number, since it uses less digits than its factorization.

51241270413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13676531.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 51241270413 its reverse (31407214215), we get a palindrome (82648484628).

The spelling of 51241270413 in words is "fifty-one billion, two hundred forty-one million, two hundred seventy thousand, four hundred thirteen".