10121421589 has 2 divisors, whose sum is σ = 10121421590. Its totient is φ = 10121421588.

The previous prime is 10121421577. The next prime is 10121421623. The reversal of 10121421589 is 98512412101.

It is an a-pointer prime, because the next prime (10121421623) can be obtained adding 10121421589 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6732202500 + 3389219089 = 82050^2 + 58217^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121421589 - 2¹¹ = 10121419541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121421389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060710794 + 5060710795.

It is an arithmetic number, because the mean of its divisors is an integer number (5060710795).

Almost surely, 2^10121421589 is an apocalyptic number.

It is an amenable number.

10121421589 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121421589 is an equidigital number, since it uses as much as digits as its factorization.

10121421589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 10121421589 in words is "ten billion, one hundred twenty-one million, four hundred twenty-one thousand, five hundred eighty-nine".