9640119551 has 2 divisors, whose sum is σ = 9640119552. Its totient is φ = 9640119550.

The previous prime is 9640119539. The next prime is 9640119553. The reversal of 9640119551 is 1559110469.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9640119551 is a prime.

It is a Sophie Germain prime.

Together with 9640119553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9640119499 and 9640119508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9640119553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4820059775 + 4820059776.

It is an arithmetic number, because the mean of its divisors is an integer number (4820059776).

Almost surely, 2^9640119551 is an apocalyptic number.

9640119551 is a deficient number, since it is larger than the sum of its proper divisors (1).

9640119551 is an equidigital number, since it uses as much as digits as its factorization.

9640119551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 9640119551 is about 98184.1104812790. The cubic root of 9640119551 is about 2128.2736753206.

The spelling of 9640119551 in words is "nine billion, six hundred forty million, one hundred nineteen thousand, five hundred fifty-one".