2641502345 has 4 divisors (see below), whose sum is σ = 3169802820. Its totient is φ = 2113201872.

The previous prime is 2641502291. The next prime is 2641502363. The reversal of 2641502345 is 5432051462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1848742009 + 792760336 = 42997^2 + 28156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641502345 - 2⁸ = 2641502089 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 264150230 + ... + 264150239.

It is an arithmetic number, because the mean of its divisors is an integer number (792450705).

Almost surely, 2^2641502345 is an apocalyptic number.

It is an amenable number.

2641502345 is a deficient number, since it is larger than the sum of its proper divisors (528300475).

2641502345 is an equidigital number, since it uses as much as digits as its factorization.

2641502345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528300474.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2641502345 is about 51395.5479103006. The cubic root of 2641502345 is about 1382.3467639588.

The spelling of 2641502345 in words is "two billion, six hundred forty-one million, five hundred two thousand, three hundred forty-five".