4943121667 has 4 divisors (see below), whose sum is σ = 5392496376. Its totient is φ = 4493746960.

The previous prime is 4943121653. The next prime is 4943121697. The reversal of 4943121667 is 7661213494.

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 4943121667 - 2¹¹ = 4943119619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4943121697) 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, 224687338 + ... + 224687359.

It is an arithmetic number, because the mean of its divisors is an integer number (1348124094).

Almost surely, 2^4943121667 is an apocalyptic number.

4943121667 is a deficient number, since it is larger than the sum of its proper divisors (449374709).

4943121667 is a wasteful number, since it uses less digits than its factorization.

4943121667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449374708.

The product of its digits is 217728, while the sum is 43.

The square root of 4943121667 is about 70307.3372202361. The cubic root of 4943121667 is about 1703.4671645958.

The spelling of 4943121667 in words is "four billion, nine hundred forty-three million, one hundred twenty-one thousand, six hundred sixty-seven".