2641021279 has 8 divisors (see below), whose sum is σ = 2848541472. Its totient is φ = 2434124640.

The previous prime is 2641021241. The next prime is 2641021289. The reversal of 2641021279 is 9721201462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2641021279 - 2¹¹ = 2641019231 is a prime.

It is a super-2 number, since 2×2641021279² = 13949986792261591682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641021289) 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 7 ways as a sum of consecutive naturals, for example, 147067 + ... + 164044.

It is an arithmetic number, because the mean of its divisors is an integer number (356067684).

Almost surely, 2^2641021279 is an apocalyptic number.

2641021279 is a deficient number, since it is larger than the sum of its proper divisors (207520193).

2641021279 is a wasteful number, since it uses less digits than its factorization.

2641021279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311777.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2641021279 is about 51390.8676614824. The cubic root of 2641021279 is about 1382.2628419685.

The spelling of 2641021279 in words is "two billion, six hundred forty-one million, twenty-one thousand, two hundred seventy-nine".