9519124961 has 2 divisors, whose sum is σ = 9519124962. Its totient is φ = 9519124960.

The previous prime is 9519124949. The next prime is 9519125003. The reversal of 9519124961 is 1694219159.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6424984336 + 3094140625 = 80156^2 + 55625^2 .

It is a cyclic number.

It is not a de Polignac number, because 9519124961 - 2¹⁸ = 9518862817 is a prime.

It is a super-2 number, since 2×9519124961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9519124061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4759562480 + 4759562481.

It is an arithmetic number, because the mean of its divisors is an integer number (4759562481).

Almost surely, 2^9519124961 is an apocalyptic number.

It is an amenable number.

9519124961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9519124961 is an equidigital number, since it uses as much as digits as its factorization.

9519124961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 47.

The square root of 9519124961 is about 97566.0031004653. The cubic root of 9519124961 is about 2119.3320668596.

The spelling of 9519124961 in words is "nine billion, five hundred nineteen million, one hundred twenty-four thousand, nine hundred sixty-one".