10386396989 has 2 divisors, whose sum is σ = 10386396990. Its totient is φ = 10386396988.

The previous prime is 10386396967. The next prime is 10386396991. The reversal of 10386396989 is 98969368301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6170102500 + 4216294489 = 78550^2 + 64933^2 .

It is a cyclic number.

It is not a de Polignac number, because 10386396989 - 2⁸ = 10386396733 is a prime.

It is a super-2 number, since 2×10386396989² (a number of 21 digits) contains 22 as substring.

Together with 10386396991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10386396089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5193198494 + 5193198495.

It is an arithmetic number, because the mean of its divisors is an integer number (5193198495).

Almost surely, 2^10386396989 is an apocalyptic number.

It is an amenable number.

10386396989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10386396989 is an equidigital number, since it uses as much as digits as its factorization.

10386396989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15116544, while the sum is 62.

The spelling of 10386396989 in words is "ten billion, three hundred eighty-six million, three hundred ninety-six thousand, nine hundred eighty-nine".