2934798647 has 4 divisors (see below), whose sum is σ = 3201598536. Its totient is φ = 2667998760.

The previous prime is 2934798641. The next prime is 2934798649. The reversal of 2934798647 is 7468974392.

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 2934798647 - 2⁴ = 2934798631 is a prime.

It is a super-2 number, since 2×2934798647² = 17226086196866061218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2934798641) 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, 133399928 + ... + 133399949.

It is an arithmetic number, because the mean of its divisors is an integer number (800399634).

Almost surely, 2^2934798647 is an apocalyptic number.

2934798647 is a deficient number, since it is larger than the sum of its proper divisors (266799889).

2934798647 is a wasteful number, since it uses less digits than its factorization.

2934798647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266799888.

The product of its digits is 18289152, while the sum is 59.

The square root of 2934798647 is about 54173.7819152401. The cubic root of 2934798647 is about 1431.7244339279.

The spelling of 2934798647 in words is "two billion, nine hundred thirty-four million, seven hundred ninety-eight thousand, six hundred forty-seven".