51430951753 has 2 divisors, whose sum is σ = 51430951754. Its totient is φ = 51430951752.

The previous prime is 51430951727. The next prime is 51430951771. The reversal of 51430951753 is 35715903415.

51430951753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50074355529 + 1356596224 = 223773^2 + 36832^2 .

It is a cyclic number.

It is not a de Polignac number, because 51430951753 - 2²¹ = 51428854601 is a prime.

It is not a weakly prime, because it can be changed into another prime (51430958753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25715475876 + 25715475877.

It is an arithmetic number, because the mean of its divisors is an integer number (25715475877).

Almost surely, 2^51430951753 is an apocalyptic number.

It is an amenable number.

51430951753 is a deficient number, since it is larger than the sum of its proper divisors (1).

51430951753 is an equidigital number, since it uses as much as digits as its factorization.

51430951753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 51430951753 in words is "fifty-one billion, four hundred thirty million, nine hundred fifty-one thousand, seven hundred fifty-three".