5147006981 has 2 divisors, whose sum is σ = 5147006982. Its totient is φ = 5147006980.

The previous prime is 5147006939. The next prime is 5147006993. The reversal of 5147006981 is 1896007415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2904132100 + 2242874881 = 53890^2 + 47359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5147006981 is a prime.

It is a super-2 number, since 2×5147006981² = 52983361724925468722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5147000981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573503490 + 2573503491.

It is an arithmetic number, because the mean of its divisors is an integer number (2573503491).

Almost surely, 2^5147006981 is an apocalyptic number.

It is an amenable number.

5147006981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147006981 is an equidigital number, since it uses as much as digits as its factorization.

5147006981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 5147006981 is about 71742.6440898299. The cubic root of 5147006981 is about 1726.5728963544.

The spelling of 5147006981 in words is "five billion, one hundred forty-seven million, six thousand, nine hundred eighty-one".