964738495128 has 32 divisors (see below), whose sum is σ = 2417055436800. Its totient is φ = 320884938528.

The previous prime is 964738495121. The next prime is 964738495157. The reversal of 964738495128 is 821594837469.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964738495121) 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 7 ways as a sum of consecutive naturals, for example, 43398648 + ... + 43420871.

It is an arithmetic number, because the mean of its divisors is an integer number (75532982400).

Almost surely, 2^964738495128 is an apocalyptic number.

It is an amenable number.

964738495128 is an abundant number, since it is smaller than the sum of its proper divisors (1452316941672).

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

964738495128 is a wasteful number, since it uses less digits than its factorization.

964738495128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86819991 (or 86819987 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 964738495128 in words is "nine hundred sixty-four billion, seven hundred thirty-eight million, four hundred ninety-five thousand, one hundred twenty-eight".