4947348739 has 4 divisors (see below), whose sum is σ = 4965740640. Its totient is φ = 4928956840.

The previous prime is 4947348719. The next prime is 4947348797. The reversal of 4947348739 is 9378437494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9378437494 = 2 ⋅4689218747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947348739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4947348709) 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, 9195547 + ... + 9196084.

It is an arithmetic number, because the mean of its divisors is an integer number (1241435160).

Almost surely, 2^4947348739 is an apocalyptic number.

4947348739 is a deficient number, since it is larger than the sum of its proper divisors (18391901).

4947348739 is a wasteful number, since it uses less digits than its factorization.

4947348739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18391900.

The product of its digits is 18289152, while the sum is 58.

The square root of 4947348739 is about 70337.3921822525. The cubic root of 4947348739 is about 1703.9525951448.

The spelling of 4947348739 in words is "four billion, nine hundred forty-seven million, three hundred forty-eight thousand, seven hundred thirty-nine".