2085961249 has 4 divisors (see below), whose sum is σ = 2086122564. Its totient is φ = 2085799936.

The previous prime is 2085961211. The next prime is 2085961277. The reversal of 2085961249 is 9421695802.

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 1834580224 + 251381025 = 42832^2 + 15855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085961249 - 2¹⁹ = 2085436961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2085961199 and 2085961208.

It is not an unprimeable number, because it can be changed into a prime (2085961279) 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, 59392 + ... + 87745.

It is an arithmetic number, because the mean of its divisors is an integer number (521530641).

Almost surely, 2^2085961249 is an apocalyptic number.

It is an amenable number.

2085961249 is a deficient number, since it is larger than the sum of its proper divisors (161315).

2085961249 is a wasteful number, since it uses less digits than its factorization.

2085961249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161314.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2085961249 is about 45672.3247601871. The cubic root of 2085961249 is about 1277.7191741017.

The spelling of 2085961249 in words is "two billion, eighty-five million, nine hundred sixty-one thousand, two hundred forty-nine".