4630931887 has 4 divisors (see below), whose sum is σ = 4651332696. Its totient is φ = 4610531080.

The previous prime is 4630931867. The next prime is 4630931897. The reversal of 4630931887 is 7881390364.

It is a happy number.

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 4630931887 - 2¹⁹ = 4630407599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4630931887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4630931857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10200064 + ... + 10200517.

It is an arithmetic number, because the mean of its divisors is an integer number (1162833174).

Almost surely, 2^4630931887 is an apocalyptic number.

4630931887 is a deficient number, since it is larger than the sum of its proper divisors (20400809).

4630931887 is a wasteful number, since it uses less digits than its factorization.

4630931887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400808.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4630931887 is about 68050.9506693330. The cubic root of 4630931887 is about 1666.8229229010.

The spelling of 4630931887 in words is "four billion, six hundred thirty million, nine hundred thirty-one thousand, eight hundred eighty-seven".