5012078681 has 2 divisors, whose sum is σ = 5012078682. Its totient is φ = 5012078680.

The previous prime is 5012078653. The next prime is 5012078683. The reversal of 5012078681 is 1868702105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4528078681 + 484000000 = 67291^2 + 22000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5012078681 is a prime.

It is a super-2 number, since 2×5012078681² = 50241865409069399522, which contains 22 as substring.

Together with 5012078683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5012078683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506039340 + 2506039341.

It is an arithmetic number, because the mean of its divisors is an integer number (2506039341).

Almost surely, 2^5012078681 is an apocalyptic number.

It is an amenable number.

5012078681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5012078681 is an equidigital number, since it uses as much as digits as its factorization.

5012078681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 5012078681 is about 70796.0357717860. The cubic root of 5012078681 is about 1711.3517896447.

The spelling of 5012078681 in words is "five billion, twelve million, seventy-eight thousand, six hundred eighty-one".