51046515329 has 2 divisors, whose sum is σ = 51046515330. Its totient is φ = 51046515328.

The previous prime is 51046515283. The next prime is 51046515341. The reversal of 51046515329 is 92351564015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26880258304 + 24166257025 = 163952^2 + 155455^2 .

It is a cyclic number.

It is not a de Polignac number, because 51046515329 - 2¹⁶ = 51046449793 is a prime.

It is not a weakly prime, because it can be changed into another prime (51046515379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523257664 + 25523257665.

It is an arithmetic number, because the mean of its divisors is an integer number (25523257665).

Almost surely, 2^51046515329 is an apocalyptic number.

It is an amenable number.

51046515329 is a deficient number, since it is larger than the sum of its proper divisors (1).

51046515329 is an equidigital number, since it uses as much as digits as its factorization.

51046515329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 51046515329 in words is "fifty-one billion, forty-six million, five hundred fifteen thousand, three hundred twenty-nine".