51022418413 has 2 divisors, whose sum is σ = 51022418414. Its totient is φ = 51022418412.

The previous prime is 51022418383. The next prime is 51022418441. The reversal of 51022418413 is 31481422015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50569665129 + 452753284 = 224877^2 + 21278^2 .

It is a cyclic number.

It is not a de Polignac number, because 51022418413 - 2¹³ = 51022410221 is a prime.

It is a super-2 number, since 2×51022418413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51022418443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511209206 + 25511209207.

It is an arithmetic number, because the mean of its divisors is an integer number (25511209207).

Almost surely, 2^51022418413 is an apocalyptic number.

It is an amenable number.

51022418413 is a deficient number, since it is larger than the sum of its proper divisors (1).

51022418413 is an equidigital number, since it uses as much as digits as its factorization.

51022418413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 51022418413 in words is "fifty-one billion, twenty-two million, four hundred eighteen thousand, four hundred thirteen".