7474411649 has 4 divisors (see below), whose sum is σ = 7474585860. Its totient is φ = 7474237440.

The previous prime is 7474411621. The next prime is 7474411663. The reversal of 7474411649 is 9461144747.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 226954225 + 7247457424 = 15065^2 + 85132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7474411649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7474411669) 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, 27617 + ... + 125345.

It is an arithmetic number, because the mean of its divisors is an integer number (1868646465).

Almost surely, 2^7474411649 is an apocalyptic number.

It is an amenable number.

7474411649 is a deficient number, since it is larger than the sum of its proper divisors (174211).

7474411649 is an equidigital number, since it uses as much as digits as its factorization.

7474411649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174210.

The product of its digits is 677376, while the sum is 47.

The square root of 7474411649 is about 86454.6797403125. The cubic root of 7474411649 is about 1955.2051728337.

The spelling of 7474411649 in words is "seven billion, four hundred seventy-four million, four hundred eleven thousand, six hundred forty-nine".