5492449649 has 4 divisors (see below), whose sum is σ = 5503369536. Its totient is φ = 5481529764.

The previous prime is 5492449639. The next prime is 5492449661. The reversal of 5492449649 is 9469442945.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9469442945 = 5 ⋅1893888589.

It is a cyclic number.

It is not a de Polignac number, because 5492449649 - 2²⁸ = 5224014193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5492449594 and 5492449603.

It is not an unprimeable number, because it can be changed into a prime (5492449609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459189 + ... + 5460194.

It is an arithmetic number, because the mean of its divisors is an integer number (1375842384).

Almost surely, 2^5492449649 is an apocalyptic number.

It is an amenable number.

5492449649 is a deficient number, since it is larger than the sum of its proper divisors (10919887).

5492449649 is a wasteful number, since it uses less digits than its factorization.

5492449649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919886.

The product of its digits is 11197440, while the sum is 56.

The square root of 5492449649 is about 74111.0629326014. The cubic root of 5492449649 is about 1764.3660593051.

The spelling of 5492449649 in words is "five billion, four hundred ninety-two million, four hundred forty-nine thousand, six hundred forty-nine".