7493872049 has 4 divisors (see below), whose sum is σ = 7752281460. Its totient is φ = 7235462640.

The previous prime is 7493872027. The next prime is 7493872069. The reversal of 7493872049 is 9402783947.

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 2850812449 + 4643059600 = 53393^2 + 68140^2 .

It is a cyclic number.

It is not a de Polignac number, because 7493872049 - 2¹⁶ = 7493806513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7493872019) 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, 129204662 + ... + 129204719.

It is an arithmetic number, because the mean of its divisors is an integer number (1938070365).

Almost surely, 2^7493872049 is an apocalyptic number.

It is an amenable number.

7493872049 is a deficient number, since it is larger than the sum of its proper divisors (258409411).

7493872049 is a wasteful number, since it uses less digits than its factorization.

7493872049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258409410.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 7493872049 is about 86567.1534070516. The cubic root of 7493872049 is about 1956.9005616104.

The spelling of 7493872049 in words is "seven billion, four hundred ninety-three million, eight hundred seventy-two thousand, forty-nine".