10621079089 has 2 divisors, whose sum is σ = 10621079090. Its totient is φ = 10621079088.

The previous prime is 10621079087. The next prime is 10621079113. The reversal of 10621079089 is 98097012601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10607352064 + 13727025 = 102992^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10621079089 - 2¹ = 10621079087 is a prime.

It is a super-2 number, since 2×10621079089² (a number of 21 digits) contains 22 as substring.

Together with 10621079087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10621079087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310539544 + 5310539545.

It is an arithmetic number, because the mean of its divisors is an integer number (5310539545).

Almost surely, 2^10621079089 is an apocalyptic number.

It is an amenable number.

10621079089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621079089 is an equidigital number, since it uses as much as digits as its factorization.

10621079089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 10621079089 in words is "ten billion, six hundred twenty-one million, seventy-nine thousand, eighty-nine".