3132649069728 has 48 divisors (see below), whose sum is σ = 8223832602720. Its totient is φ = 1044136509696.

The previous prime is 3132649069709. The next prime is 3132649069841. The reversal of 3132649069728 is 8279609462313.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21078 + ... + 2503146.

It is an arithmetic number, because the mean of its divisors is an integer number (171329845890).

Almost surely, 2^{3132649069728} is an apocalyptic number.

It is an amenable number.

3132649069728 is an abundant number, since it is smaller than the sum of its proper divisors (5091183532992).

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

3132649069728 is a wasteful number, since it uses less digits than its factorization.

3132649069728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495229 (or 2495221 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 3132649069728 in words is "three trillion, one hundred thirty-two billion, six hundred forty-nine million, sixty-nine thousand, seven hundred twenty-eight".