7499545793 has 2 divisors, whose sum is σ = 7499545794. Its totient is φ = 7499545792.

The previous prime is 7499545789. The next prime is 7499545811. The reversal of 7499545793 is 3975459947.

7499545793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6125879824 + 1373665969 = 78268^2 + 37063^2 .

It is a cyclic number.

It is not a de Polignac number, because 7499545793 - 2² = 7499545789 is a prime.

It is not a weakly prime, because it can be changed into another prime (7499545723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3749772896 + 3749772897.

It is an arithmetic number, because the mean of its divisors is an integer number (3749772897).

Almost surely, 2^7499545793 is an apocalyptic number.

It is an amenable number.

7499545793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7499545793 is an equidigital number, since it uses as much as digits as its factorization.

7499545793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42865200, while the sum is 62.

The square root of 7499545793 is about 86599.9179734023. The cubic root of 7499545793 is about 1957.3943051137.

The spelling of 7499545793 in words is "seven billion, four hundred ninety-nine million, five hundred forty-five thousand, seven hundred ninety-three".