10646404499 has 2 divisors, whose sum is σ = 10646404500. Its totient is φ = 10646404498.

The previous prime is 10646404477. The next prime is 10646404511. The reversal of 10646404499 is 99440464601.

It is a strong prime.

It is an emirp because it is prime and its reverse (99440464601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10646404499 - 2¹² = 10646400403 is a prime.

It is a super-2 number, since 2×10646404499² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10646404409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5323202249 + 5323202250.

It is an arithmetic number, because the mean of its divisors is an integer number (5323202250).

Almost surely, 2^10646404499 is an apocalyptic number.

10646404499 is a deficient number, since it is larger than the sum of its proper divisors (1).

10646404499 is an equidigital number, since it uses as much as digits as its factorization.

10646404499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 10646404499 in words is "ten billion, six hundred forty-six million, four hundred four thousand, four hundred ninety-nine".