9915727741 has 2 divisors, whose sum is σ = 9915727742. Its totient is φ = 9915727740.

The previous prime is 9915727729. The next prime is 9915727753. The reversal of 9915727741 is 1477275199.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9915727729) and next prime (9915727753).

It can be written as a sum of positive squares in only one way, i.e., 5527327716 + 4388400025 = 74346^2 + 66245^2 .

It is a cyclic number.

It is not a de Polignac number, because 9915727741 - 2¹¹ = 9915725693 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4957863870 + 4957863871.

It is an arithmetic number, because the mean of its divisors is an integer number (4957863871).

Almost surely, 2^9915727741 is an apocalyptic number.

It is an amenable number.

9915727741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9915727741 is an equidigital number, since it uses as much as digits as its factorization.

9915727741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 52.

The square root of 9915727741 is about 99577.7472179402. The cubic root of 9915727741 is about 2148.3656402788.

The spelling of 9915727741 in words is "nine billion, nine hundred fifteen million, seven hundred twenty-seven thousand, seven hundred forty-one".