2646742995 has 48 divisors (see below), whose sum is σ = 4978445472. Its totient is φ = 1293027840.

The previous prime is 2646742993. The next prime is 2646743051. The reversal of 2646742995 is 5992476462.

It is not a de Polignac number, because 2646742995 - 2¹ = 2646742993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2646742993) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 59367 + ... + 93903.

It is an arithmetic number, because the mean of its divisors is an integer number (103717614).

Almost surely, 2^2646742995 is an apocalyptic number.

2646742995 is a deficient number, since it is larger than the sum of its proper divisors (2331702477).

2646742995 is a wasteful number, since it uses less digits than its factorization.

2646742995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34692 (or 34689 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 2646742995 is about 51446.5061495919. The cubic root of 2646742995 is about 1383.2603362394.

The spelling of 2646742995 in words is "two billion, six hundred forty-six million, seven hundred forty-two thousand, nine hundred ninety-five".