2641209798 has 64 divisors (see below), whose sum is σ = 5673369600. Its totient is φ = 817276320.

The previous prime is 2641209797. The next prime is 2641209839. The reversal of 2641209798 is 8979021462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641209797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447915 + ... + 1449737.

It is an arithmetic number, because the mean of its divisors is an integer number (88646400).

Almost surely, 2^2641209798 is an apocalyptic number.

2641209798 is an abundant number, since it is smaller than the sum of its proper divisors (3032159802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2641209798 is a wasteful number, since it uses less digits than its factorization.

2641209798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2641209798 is about 51392.7017970451. The cubic root of 2641209798 is about 1382.2957303327.

The spelling of 2641209798 in words is "two billion, six hundred forty-one million, two hundred nine thousand, seven hundred ninety-eight".