7964229642 has 32 divisors (see below), whose sum is σ = 16821278208. Its totient is φ = 2508721776.

The previous prime is 7964229641. The next prime is 7964229697. The reversal of 7964229642 is 2469224697.

It is a super-2 number, since 2×7964229642² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7964229641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336208 + ... + 359115.

It is an arithmetic number, because the mean of its divisors is an integer number (525664944).

Almost surely, 2^7964229642 is an apocalyptic number.

7964229642 is an abundant number, since it is smaller than the sum of its proper divisors (8857048566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7964229642 is a wasteful number, since it uses less digits than its factorization.

7964229642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695434.

The product of its digits is 2612736, while the sum is 51.

The square root of 7964229642 is about 89242.5326960189. The cubic root of 7964229642 is about 1997.0146829916.

The spelling of 7964229642 in words is "seven billion, nine hundred sixty-four million, two hundred twenty-nine thousand, six hundred forty-two".