51932908361 has 2 divisors, whose sum is σ = 51932908362. Its totient is φ = 51932908360.

The previous prime is 51932908277. The next prime is 51932908367. The reversal of 51932908361 is 16380923915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51223005625 + 709902736 = 226325^2 + 26644^2 .

It is a cyclic number.

It is not a de Polignac number, because 51932908361 - 2¹⁸ = 51932646217 is a prime.

It is not a weakly prime, because it can be changed into another prime (51932908367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25966454180 + 25966454181.

It is an arithmetic number, because the mean of its divisors is an integer number (25966454181).

Almost surely, 2^51932908361 is an apocalyptic number.

It is an amenable number.

51932908361 is a deficient number, since it is larger than the sum of its proper divisors (1).

51932908361 is an equidigital number, since it uses as much as digits as its factorization.

51932908361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 51932908361 in words is "fifty-one billion, nine hundred thirty-two million, nine hundred eight thousand, three hundred sixty-one".