2645679426 has 32 divisors (see below), whose sum is σ = 5700343488. Its totient is φ = 813775680.

The previous prime is 2645679419. The next prime is 2645679431. The reversal of 2645679426 is 6249765462.

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 15 ways as a sum of consecutive naturals, for example, 451125 + ... + 456951.

It is an arithmetic number, because the mean of its divisors is an integer number (178135734).

Almost surely, 2^2645679426 is an apocalyptic number.

2645679426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2645679426 is an abundant number, since it is smaller than the sum of its proper divisors (3054664062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645679426 is a wasteful number, since it uses less digits than its factorization.

2645679426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666.

The product of its digits is 4354560, while the sum is 51.

The square root of 2645679426 is about 51436.1684615019. The cubic root of 2645679426 is about 1383.0750279918.

The spelling of 2645679426 in words is "two billion, six hundred forty-five million, six hundred seventy-nine thousand, four hundred twenty-six".