4978739339 has 4 divisors (see below), whose sum is σ = 5689987824. Its totient is φ = 4267490856.

The previous prime is 4978739333. The next prime is 4978739371. The reversal of 4978739339 is 9339378794.

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-4978739339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4978739333) 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, 355624232 + ... + 355624245.

It is an arithmetic number, because the mean of its divisors is an integer number (1422496956).

Almost surely, 2^4978739339 is an apocalyptic number.

4978739339 is a deficient number, since it is larger than the sum of its proper divisors (711248485).

4978739339 is an equidigital number, since it uses as much as digits as its factorization.

4978739339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711248484.

The product of its digits is 30862944, while the sum is 62.

The square root of 4978739339 is about 70560.1823906373. The cubic root of 4978739339 is about 1707.5488220061.

The spelling of 4978739339 in words is "four billion, nine hundred seventy-eight million, seven hundred thirty-nine thousand, three hundred thirty-nine".