2641881479 has 2 divisors, whose sum is σ = 2641881480. Its totient is φ = 2641881478.

The previous prime is 2641881457. The next prime is 2641881493. The reversal of 2641881479 is 9741881462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641881479 - 2²⁰ = 2640832903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641881419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320940739 + 1320940740.

It is an arithmetic number, because the mean of its divisors is an integer number (1320940740).

Almost surely, 2^2641881479 is an apocalyptic number.

2641881479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641881479 is an equidigital number, since it uses as much as digits as its factorization.

2641881479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 2641881479 is about 51399.2361713674. The cubic root of 2641881479 is about 1382.4128967268.

The spelling of 2641881479 in words is "two billion, six hundred forty-one million, eight hundred eighty-one thousand, four hundred seventy-nine".