2049544425601 has 4 divisors (see below), whose sum is σ = 2062598848852. Its totient is φ = 2036490002352.

The previous prime is 2049544425587. The next prime is 2049544425611. The reversal of 2049544425601 is 1065244459402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 666860058225 + 1382684367376 = 816615^2 + 1175876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049544425601 - 2¹⁹ = 2049543901313 is a prime.

It is a super-2 number, since 2×2049544425601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049544425611) 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, 6527211390 + ... + 6527211703.

It is an arithmetic number, because the mean of its divisors is an integer number (515649712213).

Almost surely, 2^{2049544425601} is an apocalyptic number.

It is an amenable number.

2049544425601 is a deficient number, since it is larger than the sum of its proper divisors (13054423251).

2049544425601 is a wasteful number, since it uses less digits than its factorization.

2049544425601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054423250.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 2049544425601 in words is "two trillion, forty-nine billion, five hundred forty-four million, four hundred twenty-five thousand, six hundred one".