51134502437 has 2 divisors, whose sum is σ = 51134502438. Its totient is φ = 51134502436.

The previous prime is 51134502421. The next prime is 51134502479. The reversal of 51134502437 is 73420543115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48239093956 + 2895408481 = 219634^2 + 53809^2 .

It is a cyclic number.

It is not a de Polignac number, because 51134502437 - 2⁴ = 51134502421 is a prime.

It is a super-2 number, since 2×51134502437² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51134502397 and 51134502406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51134502737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25567251218 + 25567251219.

It is an arithmetic number, because the mean of its divisors is an integer number (25567251219).

Almost surely, 2^51134502437 is an apocalyptic number.

It is an amenable number.

51134502437 is a deficient number, since it is larger than the sum of its proper divisors (1).

51134502437 is an equidigital number, since it uses as much as digits as its factorization.

51134502437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 51134502437 in words is "fifty-one billion, one hundred thirty-four million, five hundred two thousand, four hundred thirty-seven".