2646149999 has 2 divisors, whose sum is σ = 2646150000. Its totient is φ = 2646149998.

The previous prime is 2646149993. The next prime is 2646150061. The reversal of 2646149999 is 9999416462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2646149999 - 2²⁸ = 2377714543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646149993) 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, 1323074999 + 1323075000.

It is an arithmetic number, because the mean of its divisors is an integer number (1323075000).

Almost surely, 2^2646149999 is an apocalyptic number.

2646149999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646149999 is an equidigital number, since it uses as much as digits as its factorization.

2646149999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 59.

The square root of 2646149999 is about 51440.7425976725. The cubic root of 2646149999 is about 1383.1570232096.

The spelling of 2646149999 in words is "two billion, six hundred forty-six million, one hundred forty-nine thousand, nine hundred ninety-nine".