9625738819 has 2 divisors, whose sum is σ = 9625738820. Its totient is φ = 9625738818.

The previous prime is 9625738753. The next prime is 9625738847. The reversal of 9625738819 is 9188375269.

It is a strong prime.

It is an emirp because it is prime and its reverse (9188375269) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9625738819 - 2²⁵ = 9592184387 is a prime.

It is a super-2 number, since 2×9625738819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9625738849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4812869409 + 4812869410.

It is an arithmetic number, because the mean of its divisors is an integer number (4812869410).

Almost surely, 2^9625738819 is an apocalyptic number.

9625738819 is a deficient number, since it is larger than the sum of its proper divisors (1).

9625738819 is an equidigital number, since it uses as much as digits as its factorization.

9625738819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 58.

The square root of 9625738819 is about 98110.8496497712. The cubic root of 9625738819 is about 2127.2148584045.

The spelling of 9625738819 in words is "nine billion, six hundred twenty-five million, seven hundred thirty-eight thousand, eight hundred nineteen".