4991692834 has 8 divisors (see below), whose sum is σ = 7489071900. Its totient is φ = 2495335536.

The previous prime is 4991692793. The next prime is 4991692837. The reversal of 4991692834 is 4382961994.

It can be written as a sum of positive squares in 2 ways, for example, as 4719277809 + 272415025 = 68697^2 + 16505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4991692837) 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, 243109 + ... + 262840.

Almost surely, 2^4991692834 is an apocalyptic number.

4991692834 is a deficient number, since it is larger than the sum of its proper divisors (2497379066).

4991692834 is a wasteful number, since it uses less digits than its factorization.

4991692834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510884.

The product of its digits is 3359232, while the sum is 55.

The square root of 4991692834 is about 70651.9131658867. The cubic root of 4991692834 is about 1709.0284181280.

The spelling of 4991692834 in words is "four billion, nine hundred ninety-one million, six hundred ninety-two thousand, eight hundred thirty-four".