2601986384 has 20 divisors (see below), whose sum is σ = 5062274580. Its totient is φ = 1295592960.

The previous prime is 2601986381. The next prime is 2601986393. The reversal of 2601986384 is 4836891062.

It can be written as a sum of positive squares in 2 ways, for example, as 1868659984 + 733326400 = 43228^2 + 27080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601986381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333539 + ... + 341250.

It is an arithmetic number, because the mean of its divisors is an integer number (253113729).

Almost surely, 2^2601986384 is an apocalyptic number.

It is an amenable number.

2601986384 is a deficient number, since it is larger than the sum of its proper divisors (2460288196).

2601986384 is a wasteful number, since it uses less digits than its factorization.

2601986384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675038 (or 675032 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2601986384 is about 51009.6695147106. The cubic root of 2601986384 is about 1375.4189593173.

The spelling of 2601986384 in words is "two billion, six hundred one million, nine hundred eighty-six thousand, three hundred eighty-four".