51867414419 has 2 divisors, whose sum is σ = 51867414420. Its totient is φ = 51867414418.

The previous prime is 51867414343. The next prime is 51867414427. The reversal of 51867414419 is 91441476815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51867414419 - 2⁸ = 51867414163 is a prime.

It is a super-2 number, since 2×51867414419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51867414479) 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, 25933707209 + 25933707210.

It is an arithmetic number, because the mean of its divisors is an integer number (25933707210).

Almost surely, 2^51867414419 is an apocalyptic number.

51867414419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51867414419 is an equidigital number, since it uses as much as digits as its factorization.

51867414419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The spelling of 51867414419 in words is "fifty-one billion, eight hundred sixty-seven million, four hundred fourteen thousand, four hundred nineteen".