51412248942013 has 2 divisors, whose sum is σ = 51412248942014. Its totient is φ = 51412248942012.

The previous prime is 51412248941981. The next prime is 51412248942053. The reversal of 51412248942013 is 31024984221415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48850062875524 + 2562186066489 = 6989282^2 + 1600683^2 .

It is a cyclic number.

It is not a de Polignac number, because 51412248942013 - 2⁵ = 51412248941981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51412248942053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25706124471006 + 25706124471007.

It is an arithmetic number, because the mean of its divisors is an integer number (25706124471007).

Almost surely, 2^{51412248942013} is an apocalyptic number.

It is an amenable number.

51412248942013 is a deficient number, since it is larger than the sum of its proper divisors (1).

51412248942013 is an equidigital number, since it uses as much as digits as its factorization.

51412248942013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 51412248942013 in words is "fifty-one trillion, four hundred twelve billion, two hundred forty-eight million, nine hundred forty-two thousand, thirteen".