2599061971 has 6 divisors (see below), whose sum is σ = 2856820316. Its totient is φ = 2362783500.

The previous prime is 2599061947. The next prime is 2599061989. The reversal of 2599061971 is 1791609952.

It is not a de Polignac number, because 2599061971 - 2¹⁵ = 2599029203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2599061071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10739805 + ... + 10740046.

Almost surely, 2^2599061971 is an apocalyptic number.

2599061971 is a deficient number, since it is larger than the sum of its proper divisors (257758345).

2599061971 is a wasteful number, since it uses less digits than its factorization.

2599061971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21479873 (or 21479862 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 49.

The square root of 2599061971 is about 50980.9961750455. The cubic root of 2599061971 is about 1374.9034812250.

The spelling of 2599061971 in words is "two billion, five hundred ninety-nine million, sixty-one thousand, nine hundred seventy-one".