3269691378976 has 48 divisors (see below), whose sum is σ = 7137526794048. Its totient is φ = 1461859027200.

The previous prime is 3269691378959. The next prime is 3269691378977. The reversal of 3269691378976 is 6798731969623.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3269691378977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76117020 + ... + 76159963.

It is an arithmetic number, because the mean of its divisors is an integer number (148698474876).

Almost surely, 2^{3269691378976} is an apocalyptic number.

It is an amenable number.

3269691378976 is an abundant number, since it is smaller than the sum of its proper divisors (3867835415072).

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

3269691378976 is a wasteful number, since it uses less digits than its factorization.

3269691378976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152277065 (or 152277057 counting only the distinct ones).

The product of its digits is 1111065984, while the sum is 76.

The spelling of 3269691378976 in words is "three trillion, two hundred sixty-nine billion, six hundred ninety-one million, three hundred seventy-eight thousand, nine hundred seventy-six".