2641330387 has 4 divisors (see below), whose sum is σ = 2647060416. Its totient is φ = 2635600360.

The previous prime is 2641330369. The next prime is 2641330399. The reversal of 2641330387 is 7830331462.

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

It is a cyclic number.

It is not a de Polignac number, because 2641330387 - 2⁷ = 2641330259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641336387) 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 3 ways as a sum of consecutive naturals, for example, 2864323 + ... + 2865244.

It is an arithmetic number, because the mean of its divisors is an integer number (661765104).

Almost surely, 2^2641330387 is an apocalyptic number.

2641330387 is a deficient number, since it is larger than the sum of its proper divisors (5730029).

2641330387 is an equidigital number, since it uses as much as digits as its factorization.

2641330387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730028.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2641330387 is about 51393.8749949836. The cubic root of 2641330387 is about 1382.3167670464.

The spelling of 2641330387 in words is "two billion, six hundred forty-one million, three hundred thirty thousand, three hundred eighty-seven".