7480927549 has 4 divisors (see below), whose sum is σ = 7481115036. Its totient is φ = 7480740064.

The previous prime is 7480927511. The next prime is 7480927579. The reversal of 7480927549 is 9457290847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 921547449 + 6559380100 = 30357^2 + 80990^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480927549 - 2¹³ = 7480919357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7480927549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480927579) 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, 7354 + ... + 122539.

It is an arithmetic number, because the mean of its divisors is an integer number (1870278759).

Almost surely, 2^7480927549 is an apocalyptic number.

It is an amenable number.

7480927549 is a deficient number, since it is larger than the sum of its proper divisors (187487).

7480927549 is a wasteful number, since it uses less digits than its factorization.

7480927549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187486.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The square root of 7480927549 is about 86492.3554367668. The cubic root of 7480927549 is about 1955.7731649701.

The spelling of 7480927549 in words is "seven billion, four hundred eighty million, nine hundred twenty-seven thousand, five hundred forty-nine".