7493189841 has 24 divisors (see below), whose sum is σ = 11463556104. Its totient is φ = 4700221440.

The previous prime is 7493189833. The next prime is 7493189863. The reversal of 7493189841 is 1489813947.

It can be written as a sum of positive squares in 4 ways, for example, as 2693610000 + 4799579841 = 51900^2 + 69279^2 .

It is not a de Polignac number, because 7493189841 - 2³ = 7493189833 is a prime.

It is a super-2 number, since 2×7493189841² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7493189441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824281 + ... + 833321.

It is an arithmetic number, because the mean of its divisors is an integer number (477648171).

Almost surely, 2^7493189841 is an apocalyptic number.

It is an amenable number.

7493189841 is a deficient number, since it is larger than the sum of its proper divisors (3970366263).

7493189841 is a wasteful number, since it uses less digits than its factorization.

7493189841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481 (or 14478 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 7493189841 is about 86563.2129775692. The cubic root of 7493189841 is about 1956.8411773685.

The spelling of 7493189841 in words is "seven billion, four hundred ninety-three million, one hundred eighty-nine thousand, eight hundred forty-one".