91412422429 has 2 divisors, whose sum is σ = 91412422430. Its totient is φ = 91412422428.

The previous prime is 91412422403. The next prime is 91412422469. The reversal of 91412422429 is 92422421419.

It is an a-pointer prime, because the next prime (91412422469) can be obtained adding 91412422429 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68178432100 + 23233990329 = 261110^2 + 152427^2 .

It is a cyclic number.

It is not a de Polignac number, because 91412422429 - 2¹³ = 91412414237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91412422391 and 91412422400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91412422469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45706211214 + 45706211215.

It is an arithmetic number, because the mean of its divisors is an integer number (45706211215).

Almost surely, 2^91412422429 is an apocalyptic number.

It is an amenable number.

91412422429 is a deficient number, since it is larger than the sum of its proper divisors (1).

91412422429 is an equidigital number, since it uses as much as digits as its factorization.

91412422429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The spelling of 91412422429 in words is "ninety-one billion, four hundred twelve million, four hundred twenty-two thousand, four hundred twenty-nine".