4812698639 has 16 divisors (see below), whose sum is σ = 5595147840. Its totient is φ = 4054095360.

The previous prime is 4812698629. The next prime is 4812698663. The reversal of 4812698639 is 9368962184.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4812698639 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 (4812698629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582167 + ... + 590375.

It is an arithmetic number, because the mean of its divisors is an integer number (349696740).

Almost surely, 2^4812698639 is an apocalyptic number.

4812698639 is a deficient number, since it is larger than the sum of its proper divisors (782449201).

4812698639 is a wasteful number, since it uses less digits than its factorization.

4812698639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650.

The product of its digits is 4478976, while the sum is 56.

The square root of 4812698639 is about 69373.6163033181. The cubic root of 4812698639 is about 1688.3515827963.

The spelling of 4812698639 in words is "four billion, eight hundred twelve million, six hundred ninety-eight thousand, six hundred thirty-nine".