7480813049 has 4 divisors (see below), whose sum is σ = 7481146740. Its totient is φ = 7480479360.

The previous prime is 7480813003. The next prime is 7480813097. The reversal of 7480813049 is 9403180847.

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 5862199225 + 1618613824 = 76565^2 + 40232^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480813049 - 2¹⁶ = 7480747513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7480813099) 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, 130592 + ... + 178929.

It is an arithmetic number, because the mean of its divisors is an integer number (1870286685).

Almost surely, 2^7480813049 is an apocalyptic number.

It is an amenable number.

7480813049 is a deficient number, since it is larger than the sum of its proper divisors (333691).

7480813049 is a wasteful number, since it uses less digits than its factorization.

7480813049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333690.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 7480813049 is about 86491.6935260260. The cubic root of 7480813049 is about 1955.7631868326.

The spelling of 7480813049 in words is "seven billion, four hundred eighty million, eight hundred thirteen thousand, forty-nine".