4947906751 has 2 divisors, whose sum is σ = 4947906752. Its totient is φ = 4947906750.

The previous prime is 4947906739. The next prime is 4947906767. The reversal of 4947906751 is 1576097494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947906751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4947906701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473953375 + 2473953376.

It is an arithmetic number, because the mean of its divisors is an integer number (2473953376).

Almost surely, 2^4947906751 is an apocalyptic number.

4947906751 is a deficient number, since it is larger than the sum of its proper divisors (1).

4947906751 is an equidigital number, since it uses as much as digits as its factorization.

4947906751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 4947906751 is about 70341.3587514486. The cubic root of 4947906751 is about 1704.0166557357.

The spelling of 4947906751 in words is "four billion, nine hundred forty-seven million, nine hundred six thousand, seven hundred fifty-one".