7948642959 has 12 divisors (see below), whose sum is σ = 11506950000. Its totient is φ = 5287290624.

The previous prime is 7948642957. The next prime is 7948642963. The reversal of 7948642959 is 9592468497.

It is not a de Polignac number, because 7948642959 - 2¹ = 7948642957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7948642896 and 7948642905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948642957) 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 in 11 ways as a sum of consecutive naturals, for example, 979459 + ... + 987540.

It is an arithmetic number, because the mean of its divisors is an integer number (958912500).

Almost surely, 2^7948642959 is an apocalyptic number.

7948642959 is a deficient number, since it is larger than the sum of its proper divisors (3558307041).

7948642959 is a wasteful number, since it uses less digits than its factorization.

7948642959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967454 (or 1967451 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 7948642959 is about 89155.1622678126. The cubic root of 7948642959 is about 1995.7110556361.

The spelling of 7948642959 in words is "seven billion, nine hundred forty-eight million, six hundred forty-two thousand, nine hundred fifty-nine".