7640199593 has 32 divisors (see below), whose sum is σ = 8677616640. Its totient is φ = 6674088960.

The previous prime is 7640199559. The next prime is 7640199607. The reversal of 7640199593 is 3959910467.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7640199593 - 2⁸ = 7640199337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7640198593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16501280 + ... + 16501742.

It is an arithmetic number, because the mean of its divisors is an integer number (271175520).

Almost surely, 2^7640199593 is an apocalyptic number.

It is an amenable number.

7640199593 is a deficient number, since it is larger than the sum of its proper divisors (1037417047).

7640199593 is a wasteful number, since it uses less digits than its factorization.

7640199593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 7640199593 is about 87408.2352699104. The cubic root of 7640199593 is about 1969.5555520336. Note that the first 5 decimals are identical.

The spelling of 7640199593 in words is "seven billion, six hundred forty million, one hundred ninety-nine thousand, five hundred ninety-three".