3215892435672 has 64 divisors (see below), whose sum is σ = 9188482648320. Its totient is φ = 918804555648.

The previous prime is 3215892435649. The next prime is 3215892435673. The reversal of 3215892435672 is 2765342985123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215892435673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7669438 + ... + 8077874.

It is an arithmetic number, because the mean of its divisors is an integer number (143570041380).

Almost surely, 2^{3215892435672} is an apocalyptic number.

It is an amenable number.

3215892435672 is an abundant number, since it is smaller than the sum of its proper divisors (5972590212648).

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

3215892435672 is a wasteful number, since it uses less digits than its factorization.

3215892435672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455320 (or 455316 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 3215892435672 in words is "three trillion, two hundred fifteen billion, eight hundred ninety-two million, four hundred thirty-five thousand, six hundred seventy-two".