2641376639 has 24 divisors (see below), whose sum is σ = 2946726720. Its totient is φ = 2365608960.

The previous prime is 2641376623. The next prime is 2641376659. The reversal of 2641376639 is 9366731462.

It is not a de Polignac number, because 2641376639 - 2⁴ = 2641376623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2641376593 and 2641376602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641376659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3673322 + ... + 3674040.

It is an arithmetic number, because the mean of its divisors is an integer number (122780280).

Almost surely, 2^2641376639 is an apocalyptic number.

2641376639 is a deficient number, since it is larger than the sum of its proper divisors (305350081).

2641376639 is a wasteful number, since it uses less digits than its factorization.

2641376639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1140 counting only the distinct ones).

The product of its digits is 979776, while the sum is 47.

The square root of 2641376639 is about 51394.3249688134. The cubic root of 2641376639 is about 1382.3248355236.

The spelling of 2641376639 in words is "two billion, six hundred forty-one million, three hundred seventy-six thousand, six hundred thirty-nine".