51410553149 has 2 divisors, whose sum is σ = 51410553150. Its totient is φ = 51410553148.

The previous prime is 51410553121. The next prime is 51410553197. The reversal of 51410553149 is 94135501415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37173768025 + 14236785124 = 192805^2 + 119318^2 .

It is a cyclic number.

It is not a de Polignac number, because 51410553149 - 2²⁴ = 51393775933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51410553119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705276574 + 25705276575.

It is an arithmetic number, because the mean of its divisors is an integer number (25705276575).

Almost surely, 2^51410553149 is an apocalyptic number.

It is an amenable number.

51410553149 is a deficient number, since it is larger than the sum of its proper divisors (1).

51410553149 is an equidigital number, since it uses as much as digits as its factorization.

51410553149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 51410553149 in words is "fifty-one billion, four hundred ten million, five hundred fifty-three thousand, one hundred forty-nine".