4619678345 has 32 divisors (see below), whose sum is σ = 5965708320. Its totient is φ = 3421716480.

The previous prime is 4619678201. The next prime is 4619678353. The reversal of 4619678345 is 5438769164.

It can be written as a sum of positive squares in 16 ways, for example, as 1707672976 + 2912005369 = 41324^2 + 53963^2 .

It is not a de Polignac number, because 4619678345 - 2¹⁸ = 4619416201 is a prime.

It is a super-2 number, since 2×4619678345² = 42682856022523878050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3232091 + ... + 3233519.

It is an arithmetic number, because the mean of its divisors is an integer number (186428385).

Almost surely, 2^4619678345 is an apocalyptic number.

It is an amenable number.

4619678345 is a deficient number, since it is larger than the sum of its proper divisors (1346029975).

4619678345 is a wasteful number, since it uses less digits than its factorization.

4619678345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

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

The square root of 4619678345 is about 67968.2156967505. The cubic root of 4619678345 is about 1665.4716558854.

The spelling of 4619678345 in words is "four billion, six hundred nineteen million, six hundred seventy-eight thousand, three hundred forty-five".