4619519864 has 8 divisors (see below), whose sum is σ = 8661599760. Its totient is φ = 2309759928.

The previous prime is 4619519857. The next prime is 4619519869. The reversal of 4619519864 is 4689159164.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4619519869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288719984 + ... + 288719999.

It is an arithmetic number, because the mean of its divisors is an integer number (1082699970).

Almost surely, 2^4619519864 is an apocalyptic number.

It is an amenable number.

4619519864 is a deficient number, since it is larger than the sum of its proper divisors (4042079896).

4619519864 is a wasteful number, since it uses less digits than its factorization.

4619519864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577439989 (or 577439985 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 4619519864 is about 67967.0498403454. The cubic root of 4619519864 is about 1665.4526106466.

The spelling of 4619519864 in words is "four billion, six hundred nineteen million, five hundred nineteen thousand, eight hundred sixty-four".