10434421087 has 2 divisors, whose sum is σ = 10434421088. Its totient is φ = 10434421086.

The previous prime is 10434421079. The next prime is 10434421091. The reversal of 10434421087 is 78012443401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10434421087 - 2³ = 10434421079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10434421027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5217210543 + 5217210544.

It is an arithmetic number, because the mean of its divisors is an integer number (5217210544).

Almost surely, 2^10434421087 is an apocalyptic number.

10434421087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10434421087 is an equidigital number, since it uses as much as digits as its factorization.

10434421087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 10434421087 its reverse (78012443401), we get a palindrome (88446864488).

The spelling of 10434421087 in words is "ten billion, four hundred thirty-four million, four hundred twenty-one thousand, eighty-seven".