51063673919 has 2 divisors, whose sum is σ = 51063673920. Its totient is φ = 51063673918.

The previous prime is 51063673849. The next prime is 51063673931. The reversal of 51063673919 is 91937636015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51063673919 - 2⁸ = 51063673663 is a prime.

It is a super-2 number, since 2×51063673919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51063676919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25531836959 + 25531836960.

It is an arithmetic number, because the mean of its divisors is an integer number (25531836960).

Almost surely, 2^51063673919 is an apocalyptic number.

51063673919 is a deficient number, since it is larger than the sum of its proper divisors (1).

51063673919 is an equidigital number, since it uses as much as digits as its factorization.

51063673919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 50.

The spelling of 51063673919 in words is "fifty-one billion, sixty-three million, six hundred seventy-three thousand, nine hundred nineteen".