2641570387 has 2 divisors, whose sum is σ = 2641570388. Its totient is φ = 2641570386.

The previous prime is 2641570343. The next prime is 2641570391. The reversal of 2641570387 is 7830751462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641570387 - 2¹⁹ = 2641046099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2641570307) 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 as a sum of consecutive naturals, namely, 1320785193 + 1320785194.

It is an arithmetic number, because the mean of its divisors is an integer number (1320785194).

Almost surely, 2^2641570387 is an apocalyptic number.

2641570387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641570387 is an equidigital number, since it uses as much as digits as its factorization.

2641570387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2641570387 is about 51396.2098505328. The cubic root of 2641570387 is about 1382.3586330669.

The spelling of 2641570387 in words is "two billion, six hundred forty-one million, five hundred seventy thousand, three hundred eighty-seven".