4945492339 has 4 divisors (see below), whose sum is σ = 4945693824. Its totient is φ = 4945290856.

The previous prime is 4945492303. The next prime is 4945492369. The reversal of 4945492339 is 9332945494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4945492339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4945492369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57832 + ... + 115045.

It is an arithmetic number, because the mean of its divisors is an integer number (1236423456).

Almost surely, 2^4945492339 is an apocalyptic number.

4945492339 is a deficient number, since it is larger than the sum of its proper divisors (201485).

4945492339 is a wasteful number, since it uses less digits than its factorization.

4945492339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201484.

The product of its digits is 4199040, while the sum is 52.

The square root of 4945492339 is about 70324.1945492446. The cubic root of 4945492339 is about 1703.7394430444.

The spelling of 4945492339 in words is "four billion, nine hundred forty-five million, four hundred ninety-two thousand, three hundred thirty-nine".