51102326459 has 2 divisors, whose sum is σ = 51102326460. Its totient is φ = 51102326458.

The previous prime is 51102326449. The next prime is 51102326461. The reversal of 51102326459 is 95462320115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51102326459 - 2²⁰ = 51101277883 is a prime.

It is a super-2 number, since 2×51102326459² (a number of 22 digits) contains 22 as substring.

Together with 51102326461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51102326419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551163229 + 25551163230.

It is an arithmetic number, because the mean of its divisors is an integer number (25551163230).

Almost surely, 2^51102326459 is an apocalyptic number.

51102326459 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102326459 is an equidigital number, since it uses as much as digits as its factorization.

51102326459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 51102326459 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand, four hundred fifty-nine".