2645499995 has 8 divisors (see below), whose sum is σ = 3188586384. Its totient is φ = 2107075744.

The previous prime is 2645499977. The next prime is 2645500001. The reversal of 2645499995 is 5999945462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2645499995 - 2⁸ = 2645499739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164284 + ... + 1166553.

It is an arithmetic number, because the mean of its divisors is an integer number (398573298).

Almost surely, 2^2645499995 is an apocalyptic number.

2645499995 is a deficient number, since it is larger than the sum of its proper divisors (543086389).

2645499995 is a wasteful number, since it uses less digits than its factorization.

2645499995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331069.

The product of its digits is 31492800, while the sum is 62.

The square root of 2645499995 is about 51434.4242215270. The cubic root of 2645499995 is about 1383.0437603909.

The spelling of 2645499995 in words is "two billion, six hundred forty-five million, four hundred ninety-nine thousand, nine hundred ninety-five".