2601385844 has 12 divisors (see below), whose sum is σ = 4556691300. Its totient is φ = 1299474048.

The previous prime is 2601385841. The next prime is 2601385847. The reversal of 2601385844 is 4485831062.

It is an interprime number because it is at equal distance from previous prime (2601385841) and next prime (2601385847).

It can be written as a sum of positive squares in 2 ways, for example, as 1954700944 + 646684900 = 44212^2 + 25430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601385841) 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, 299909 + ... + 308460.

It is an arithmetic number, because the mean of its divisors is an integer number (379724275).

Almost surely, 2^2601385844 is an apocalyptic number.

It is an amenable number.

2601385844 is a deficient number, since it is larger than the sum of its proper divisors (1955305456).

2601385844 is a wasteful number, since it uses less digits than its factorization.

2601385844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609442 (or 609440 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 2601385844 is about 51003.7826440353. The cubic root of 2601385844 is about 1375.3131353384.

The spelling of 2601385844 in words is "two billion, six hundred one million, three hundred eighty-five thousand, eight hundred forty-four".