51466467457 has 2 divisors, whose sum is σ = 51466467458. Its totient is φ = 51466467456.

The previous prime is 51466467439. The next prime is 51466467463. The reversal of 51466467457 is 75476466415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29893026816 + 21573440641 = 172896^2 + 146879^2 .

It is a cyclic number.

It is not a de Polignac number, because 51466467457 - 2¹¹ = 51466465409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51466467398 and 51466467407.

It is not a weakly prime, because it can be changed into another prime (51466467497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25733233728 + 25733233729.

It is an arithmetic number, because the mean of its divisors is an integer number (25733233729).

Almost surely, 2^51466467457 is an apocalyptic number.

It is an amenable number.

51466467457 is a deficient number, since it is larger than the sum of its proper divisors (1).

51466467457 is an equidigital number, since it uses as much as digits as its factorization.

51466467457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 55.

The spelling of 51466467457 in words is "fifty-one billion, four hundred sixty-six million, four hundred sixty-seven thousand, four hundred fifty-seven".