51203960329 has 2 divisors, whose sum is σ = 51203960330. Its totient is φ = 51203960328.

The previous prime is 51203960317. The next prime is 51203960383. The reversal of 51203960329 is 92306930215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35509633600 + 15694326729 = 188440^2 + 125277^2 .

It is a cyclic number.

It is not a de Polignac number, because 51203960329 - 2¹⁹ = 51203436041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51203960291 and 51203960300.

It is not a weakly prime, because it can be changed into another prime (51203960029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25601980164 + 25601980165.

It is an arithmetic number, because the mean of its divisors is an integer number (25601980165).

Almost surely, 2^51203960329 is an apocalyptic number.

It is an amenable number.

51203960329 is a deficient number, since it is larger than the sum of its proper divisors (1).

51203960329 is an equidigital number, since it uses as much as digits as its factorization.

51203960329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 51203960329 in words is "fifty-one billion, two hundred three million, nine hundred sixty thousand, three hundred twenty-nine".