4645103993 has 2 divisors, whose sum is σ = 4645103994. Its totient is φ = 4645103992.

The previous prime is 4645103977. The next prime is 4645103999. The reversal of 4645103993 is 3993015464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3775856704 + 869247289 = 61448^2 + 29483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645103993 - 2⁴ = 4645103977 is a prime.

It is a super-2 number, since 2×4645103993² = 43153982211569088098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4645103999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322551996 + 2322551997.

It is an arithmetic number, because the mean of its divisors is an integer number (2322551997).

Almost surely, 2^4645103993 is an apocalyptic number.

It is an amenable number.

4645103993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645103993 is an equidigital number, since it uses as much as digits as its factorization.

4645103993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 4645103993 is about 68154.9997652410. Note that the first 3 decimals coincide. The cubic root of 4645103993 is about 1668.5215252052.

The spelling of 4645103993 in words is "four billion, six hundred forty-five million, one hundred three thousand, nine hundred ninety-three".