4618672991 has 4 divisors (see below), whose sum is σ = 4629966000. Its totient is φ = 4607379984.

The previous prime is 4618672973. The next prime is 4618673009. The reversal of 4618672991 is 1992768164.

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

It is an interprime number because it is at equal distance from previous prime (4618672973) and next prime (4618673009).

It is a cyclic number.

It is not a de Polignac number, because 4618672991 - 2¹⁴ = 4618656607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4618672951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645891 + ... + 5646708.

It is an arithmetic number, because the mean of its divisors is an integer number (1157491500).

Almost surely, 2^4618672991 is an apocalyptic number.

4618672991 is a deficient number, since it is larger than the sum of its proper divisors (11293009).

4618672991 is a wasteful number, since it uses less digits than its factorization.

4618672991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293008.

The product of its digits is 1306368, while the sum is 53.

The square root of 4618672991 is about 67960.8195286078. The cubic root of 4618672991 is about 1665.3508314511.

The spelling of 4618672991 in words is "four billion, six hundred eighteen million, six hundred seventy-two thousand, nine hundred ninety-one".