51767163229 has 2 divisors, whose sum is σ = 51767163230. Its totient is φ = 51767163228.

The previous prime is 51767163193. The next prime is 51767163263. The reversal of 51767163229 is 92236176715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46775740729 + 4991422500 = 216277^2 + 70650^2 .

It is a cyclic number.

It is not a de Polignac number, because 51767163229 - 2³¹ = 49619679581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51767163269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25883581614 + 25883581615.

It is an arithmetic number, because the mean of its divisors is an integer number (25883581615).

Almost surely, 2^51767163229 is an apocalyptic number.

It is an amenable number.

51767163229 is a deficient number, since it is larger than the sum of its proper divisors (1).

51767163229 is an equidigital number, since it uses as much as digits as its factorization.

51767163229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The spelling of 51767163229 in words is "fifty-one billion, seven hundred sixty-seven million, one hundred sixty-three thousand, two hundred twenty-nine".