2979654047 has 4 divisors (see below), whose sum is σ = 2981283216. Its totient is φ = 2978024880.

The previous prime is 2979653987. The next prime is 2979654059. The reversal of 2979654047 is 7404569792.

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 2979654047 - 2¹⁰ = 2979653023 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 2979654047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979654077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811838 + ... + 815499.

It is an arithmetic number, because the mean of its divisors is an integer number (745320804).

Almost surely, 2^2979654047 is an apocalyptic number.

2979654047 is a deficient number, since it is larger than the sum of its proper divisors (1629169).

2979654047 is a wasteful number, since it uses less digits than its factorization.

2979654047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629168.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The square root of 2979654047 is about 54586.2074795456. The cubic root of 2979654047 is about 1438.9817336666.

The spelling of 2979654047 in words is "two billion, nine hundred seventy-nine million, six hundred fifty-four thousand, forty-seven".