5061742661 has 2 divisors, whose sum is σ = 5061742662. Its totient is φ = 5061742660.

The previous prime is 5061742583. The next prime is 5061742663. The reversal of 5061742661 is 1662471605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3579030625 + 1482712036 = 59825^2 + 38506^2 .

It is a cyclic number.

It is not a de Polignac number, because 5061742661 - 2²² = 5057548357 is a prime.

Together with 5061742663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5061742663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530871330 + 2530871331.

It is an arithmetic number, because the mean of its divisors is an integer number (2530871331).

Almost surely, 2^5061742661 is an apocalyptic number.

It is an amenable number.

5061742661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5061742661 is an equidigital number, since it uses as much as digits as its factorization.

5061742661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 5061742661 is about 71145.9251187304. The cubic root of 5061742661 is about 1716.9857361782.

The spelling of 5061742661 in words is "five billion, sixty-one million, seven hundred forty-two thousand, six hundred sixty-one".