9952975619 has 2 divisors, whose sum is σ = 9952975620. Its totient is φ = 9952975618.

The previous prime is 9952975597. The next prime is 9952975663. The reversal of 9952975619 is 9165792599.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9952975619 - 2²⁰ = 9951927043 is a prime.

It is a super-2 number, since 2×9952975619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9952975819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4976487809 + 4976487810.

It is an arithmetic number, because the mean of its divisors is an integer number (4976487810).

Almost surely, 2^9952975619 is an apocalyptic number.

9952975619 is a deficient number, since it is larger than the sum of its proper divisors (1).

9952975619 is an equidigital number, since it uses as much as digits as its factorization.

9952975619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13778100, while the sum is 62.

The square root of 9952975619 is about 99764.6010316284. The cubic root of 9952975619 is about 2151.0523508082.

The spelling of 9952975619 in words is "nine billion, nine hundred fifty-two million, nine hundred seventy-five thousand, six hundred nineteen".