4932694639 has 4 divisors (see below), whose sum is σ = 4934667856. Its totient is φ = 4930721424.

The previous prime is 4932694621. The next prime is 4932694643. The reversal of 4932694639 is 9364962394.

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 4932694639 - 2⁹ = 4932694127 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 4932694639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4932694339) 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, 982854 + ... + 987859.

It is an arithmetic number, because the mean of its divisors is an integer number (1233666964).

Almost surely, 2^4932694639 is an apocalyptic number.

4932694639 is a deficient number, since it is larger than the sum of its proper divisors (1973217).

4932694639 is a wasteful number, since it uses less digits than its factorization.

4932694639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973216.

The product of its digits is 7558272, while the sum is 55.

The square root of 4932694639 is about 70233.1448747669. The cubic root of 4932694639 is about 1702.2685560505.

The spelling of 4932694639 in words is "four billion, nine hundred thirty-two million, six hundred ninety-four thousand, six hundred thirty-nine".