10309906897 has 2 divisors, whose sum is σ = 10309906898. Its totient is φ = 10309906896.

The previous prime is 10309906889. The next prime is 10309906907. The reversal of 10309906897 is 79860990301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9638526976 + 671379921 = 98176^2 + 25911^2 .

It is a cyclic number.

It is not a de Polignac number, because 10309906897 - 2³ = 10309906889 is a prime.

It is not a weakly prime, because it can be changed into another prime (10309906807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5154953448 + 5154953449.

It is an arithmetic number, because the mean of its divisors is an integer number (5154953449).

Almost surely, 2^10309906897 is an apocalyptic number.

It is an amenable number.

10309906897 is a deficient number, since it is larger than the sum of its proper divisors (1).

10309906897 is an equidigital number, since it uses as much as digits as its factorization.

10309906897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 10309906897 in words is "ten billion, three hundred nine million, nine hundred six thousand, eight hundred ninety-seven".