4640872579 has 4 divisors (see below), whose sum is σ = 5303854384. Its totient is φ = 3977890776.

The previous prime is 4640872547. The next prime is 4640872591. The reversal of 4640872579 is 9752780464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4640872579 - 2⁵ = 4640872547 is a prime.

It is a super-2 number, since 2×4640872579² = 43075396589028222482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640872879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331490892 + ... + 331490905.

It is an arithmetic number, because the mean of its divisors is an integer number (1325963596).

Almost surely, 2^4640872579 is an apocalyptic number.

4640872579 is a deficient number, since it is larger than the sum of its proper divisors (662981805).

4640872579 is an equidigital number, since it uses as much as digits as its factorization.

4640872579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662981804.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 4640872579 is about 68123.9501130109. The cubic root of 4640872579 is about 1668.0147299324.

The spelling of 4640872579 in words is "four billion, six hundred forty million, eight hundred seventy-two thousand, five hundred seventy-nine".