2641542893 has 12 divisors (see below), whose sum is σ = 3029757024. Its totient is φ = 2296991400.

The previous prime is 2641542857. The next prime is 2641542901. The reversal of 2641542893 is 3982451462.

It is a de Polignac number, because none of the positive numbers 2^k-2641542893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641542803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471803 + ... + 477368.

It is an arithmetic number, because the mean of its divisors is an integer number (252479752).

Almost surely, 2^2641542893 is an apocalyptic number.

2641542893 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2641542893 is a deficient number, since it is larger than the sum of its proper divisors (388214131).

2641542893 is a wasteful number, since it uses less digits than its factorization.

2641542893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949216 (or 949205 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 2641542893 is about 51395.9423787520. The cubic root of 2641542893 is about 1382.3538370940.

The spelling of 2641542893 in words is "two billion, six hundred forty-one million, five hundred forty-two thousand, eight hundred ninety-three".