2987113249 has 4 divisors (see below), whose sum is σ = 2990726064. Its totient is φ = 2983500436.

The previous prime is 2987113237. The next prime is 2987113271. The reversal of 2987113249 is 9423117892.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2987113249 - 2³¹ = 839629601 is a prime.

It is a super-3 number, since 3×2987113249³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2987113199 and 2987113208.

It is not an unprimeable number, because it can be changed into a prime (2987113219) 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, 1805167 + ... + 1806820.

It is an arithmetic number, because the mean of its divisors is an integer number (747681516).

Almost surely, 2^2987113249 is an apocalyptic number.

It is an amenable number.

2987113249 is a deficient number, since it is larger than the sum of its proper divisors (3612815).

2987113249 is an equidigital number, since it uses as much as digits as its factorization.

2987113249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612814.

The product of its digits is 217728, while the sum is 46.

The square root of 2987113249 is about 54654.4897423807. The cubic root of 2987113249 is about 1440.1815050597.

The spelling of 2987113249 in words is "two billion, nine hundred eighty-seven million, one hundred thirteen thousand, two hundred forty-nine".