7723648413 has 12 divisors (see below), whose sum is σ = 12014564380. Its totient is φ = 4753014336.

The previous prime is 7723648411. The next prime is 7723648417. The reversal of 7723648413 is 3148463277.

It can be written as a sum of positive squares in 2 ways, for example, as 830995929 + 6892652484 = 28827^2 + 83022^2 .

It is not a de Polignac number, because 7723648413 - 2¹ = 7723648411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7723648411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33006928 + ... + 33007161.

Almost surely, 2^7723648413 is an apocalyptic number.

It is an amenable number.

7723648413 is a deficient number, since it is larger than the sum of its proper divisors (4290915967).

7723648413 is a wasteful number, since it uses less digits than its factorization.

7723648413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66014108 (or 66014105 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 7723648413 is about 87884.2899100858. The cubic root of 7723648413 is about 1976.7003175505.

The spelling of 7723648413 in words is "seven billion, seven hundred twenty-three million, six hundred forty-eight thousand, four hundred thirteen".