5449599766 has 16 divisors (see below), whose sum is σ = 8851843728. Its totient is φ = 2501301600.

The previous prime is 5449599763. The next prime is 5449599767. The reversal of 5449599766 is 6679959445.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5449599698 and 5449599707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449599763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574300 + ... + 583711.

It is an arithmetic number, because the mean of its divisors is an integer number (553240233).

Almost surely, 2^5449599766 is an apocalyptic number.

5449599766 is a deficient number, since it is larger than the sum of its proper divisors (3402243962).

5449599766 is a wasteful number, since it uses less digits than its factorization.

5449599766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158207.

The product of its digits is 73483200, while the sum is 64.

The square root of 5449599766 is about 73821.4045247041. The cubic root of 5449599766 is about 1759.7657838721.

The spelling of 5449599766 in words is "five billion, four hundred forty-nine million, five hundred ninety-nine thousand, seven hundred sixty-six".