2086351449 has 96 divisors (see below), whose sum is σ = 3769879680. Its totient is φ = 1013741568.

The previous prime is 2086351441. The next prime is 2086351483. The reversal of 2086351449 is 9441536802.

It is not a de Polignac number, because 2086351449 - 2³ = 2086351441 is a prime.

It is a super-4 number, since 4×2086351449⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2086351449.

It is not an unprimeable number, because it can be changed into a prime (2086351441) 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 95 ways as a sum of consecutive naturals, for example, 1342657 + ... + 1344209.

It is an arithmetic number, because the mean of its divisors is an integer number (39269580).

Almost surely, 2^2086351449 is an apocalyptic number.

It is an amenable number.

2086351449 is a deficient number, since it is larger than the sum of its proper divisors (1683528231).

2086351449 is a wasteful number, since it uses less digits than its factorization.

2086351449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 2086351449 is about 45676.5962939447. The cubic root of 2086351449 is about 1277.7988392022.

The spelling of 2086351449 in words is "two billion, eighty-six million, three hundred fifty-one thousand, four hundred forty-nine".