4645678193 has 8 divisors (see below), whose sum is σ = 5023800936. Its totient is φ = 4270521600.

The previous prime is 4645678183. The next prime is 4645678223. The reversal of 4645678193 is 3918765464.

It can be written as a sum of positive squares in 4 ways, for example, as 1675101184 + 2970577009 = 40928^2 + 54503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4645678193 - 2⁶ = 4645678129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645678123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738278 + ... + 744543.

It is an arithmetic number, because the mean of its divisors is an integer number (627975117).

Almost surely, 2^4645678193 is an apocalyptic number.

It is an amenable number.

4645678193 is a deficient number, since it is larger than the sum of its proper divisors (378122743).

4645678193 is a wasteful number, since it uses less digits than its factorization.

4645678193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483075.

The product of its digits is 4354560, while the sum is 53.

The square root of 4645678193 is about 68159.2120919836. The cubic root of 4645678193 is about 1668.5902732596.

The spelling of 4645678193 in words is "four billion, six hundred forty-five million, six hundred seventy-eight thousand, one hundred ninety-three".