4978730928239 has 2 divisors, whose sum is σ = 4978730928240. Its totient is φ = 4978730928238.

The previous prime is 4978730928203. The next prime is 4978730928293. The reversal of 4978730928239 is 9328290378794.

Together with next prime (4978730928293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4978730928239 - 2¹² = 4978730924143 is a prime.

It is a super-2 number, since 2×4978730928239² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978730928439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489365464119 + 2489365464120.

It is an arithmetic number, because the mean of its divisors is an integer number (2489365464120).

Almost surely, 2^{4978730928239} is an apocalyptic number.

4978730928239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978730928239 is an equidigital number, since it uses as much as digits as its factorization.

4978730928239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 4978730928239 in words is "four trillion, nine hundred seventy-eight billion, seven hundred thirty million, nine hundred twenty-eight thousand, two hundred thirty-nine".