51184760447 has 2 divisors, whose sum is σ = 51184760448. Its totient is φ = 51184760446.

The previous prime is 51184760399. The next prime is 51184760461. The reversal of 51184760447 is 74406748115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51184760447 - 2¹⁴ = 51184744063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51184760477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25592380223 + 25592380224.

It is an arithmetic number, because the mean of its divisors is an integer number (25592380224).

Almost surely, 2^51184760447 is an apocalyptic number.

51184760447 is a deficient number, since it is larger than the sum of its proper divisors (1).

51184760447 is an equidigital number, since it uses as much as digits as its factorization.

51184760447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 51184760447 in words is "fifty-one billion, one hundred eighty-four million, seven hundred sixty thousand, four hundred forty-seven".