2641518427 has 2 divisors, whose sum is σ = 2641518428. Its totient is φ = 2641518426.

The previous prime is 2641518413. The next prime is 2641518433. The reversal of 2641518427 is 7248151462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641518427 - 2²³ = 2633129819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2641518427.

It is not a weakly prime, because it can be changed into another prime (2641510427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320759213 + 1320759214.

It is an arithmetic number, because the mean of its divisors is an integer number (1320759214).

Almost surely, 2^2641518427 is an apocalyptic number.

2641518427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641518427 is an equidigital number, since it uses as much as digits as its factorization.

2641518427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 2641518427 is about 51395.7043633026. The cubic root of 2641518427 is about 1382.3495692885.

Adding to 2641518427 its reverse (7248151462), we get a palindrome (9889669889).

The spelling of 2641518427 in words is "two billion, six hundred forty-one million, five hundred eighteen thousand, four hundred twenty-seven".