2813490649 has 4 divisors (see below), whose sum is σ = 2813694480. Its totient is φ = 2813286820.

The previous prime is 2813490613. The next prime is 2813490679. The reversal of 2813490649 is 9460943182.

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 a de Polignac number, because none of the positive numbers 2^k-2813490649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2813490599 and 2813490608.

It is not an unprimeable number, because it can be changed into a prime (2813490679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79579 + ... + 109360.

It is an arithmetic number, because the mean of its divisors is an integer number (703423620).

Almost surely, 2^2813490649 is an apocalyptic number.

It is an amenable number.

2813490649 is a deficient number, since it is larger than the sum of its proper divisors (203831).

2813490649 is a wasteful number, since it uses less digits than its factorization.

2813490649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203830.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2813490649 is about 53042.3476950257. The cubic root of 2813490649 is about 1411.7197547826.

The spelling of 2813490649 in words is "two billion, eight hundred thirteen million, four hundred ninety thousand, six hundred forty-nine".