2642643025 has 36 divisors (see below), whose sum is σ = 3791510800. Its totient is φ = 1820728800.

The previous prime is 2642643023. The next prime is 2642643041. The reversal of 2642643025 is 5203462462.

It is not a de Polignac number, because 2642643025 - 2¹ = 2642643023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642643023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34486 + ... + 80464.

Almost surely, 2^2642643025 is an apocalyptic number.

2642643025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2642643025 is a deficient number, since it is larger than the sum of its proper divisors (1148867775).

2642643025 is a wasteful number, since it uses less digits than its factorization.

2642643025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46030 (or 46014 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2642643025 is about 51406.6437826863. The cubic root of 2642643025 is about 1382.5457149323.

It can be divided in two parts, 264264 and 3025, that added together give a square (267289 = 517²).

The spelling of 2642643025 in words is "two billion, six hundred forty-two million, six hundred forty-three thousand, twenty-five".