10420001089 has 2 divisors, whose sum is σ = 10420001090. Its totient is φ = 10420001088.

The previous prime is 10420001041. The next prime is 10420001153. The reversal of 10420001089 is 98010002401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6938057025 + 3481944064 = 83295^2 + 59008^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420001089 - 2¹³ = 10419992897 is a prime.

It is a super-2 number, since 2×10420001089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10420001689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210000544 + 5210000545.

It is an arithmetic number, because the mean of its divisors is an integer number (5210000545).

Almost surely, 2^10420001089 is an apocalyptic number.

It is an amenable number.

10420001089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420001089 is an equidigital number, since it uses as much as digits as its factorization.

10420001089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 10420001089 in words is "ten billion, four hundred twenty million, one thousand, eighty-nine".