51102250429 has 2 divisors, whose sum is σ = 51102250430. Its totient is φ = 51102250428.

The previous prime is 51102250403. The next prime is 51102250439. The reversal of 51102250429 is 92405220115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51078260025 + 23990404 = 226005^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 51102250429 - 2⁷ = 51102250301 is a prime.

It is a super-2 number, since 2×51102250429² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51102250429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51102250439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551125214 + 25551125215.

It is an arithmetic number, because the mean of its divisors is an integer number (25551125215).

Almost surely, 2^51102250429 is an apocalyptic number.

It is an amenable number.

51102250429 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102250429 is an equidigital number, since it uses as much as digits as its factorization.

51102250429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 51102250429 in words is "fifty-one billion, one hundred two million, two hundred fifty thousand, four hundred twenty-nine".