51053131439 has 2 divisors, whose sum is σ = 51053131440. Its totient is φ = 51053131438.

The previous prime is 51053131343. The next prime is 51053131453. The reversal of 51053131439 is 93413135015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51053131439 - 2²⁴ = 51036354223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51053131399 and 51053131408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51053131739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526565719 + 25526565720.

It is an arithmetic number, because the mean of its divisors is an integer number (25526565720).

Almost surely, 2^51053131439 is an apocalyptic number.

51053131439 is a deficient number, since it is larger than the sum of its proper divisors (1).

51053131439 is an equidigital number, since it uses as much as digits as its factorization.

51053131439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 51053131439 in words is "fifty-one billion, fifty-three million, one hundred thirty-one thousand, four hundred thirty-nine".