2891170032 has 40 divisors (see below), whose sum is σ = 7627773696. Its totient is φ = 943217856.

The previous prime is 2891170027. The next prime is 2891170057. The reversal of 2891170032 is 2300711982.

It is a junction number, because it is equal to n+sod(n) for n = 2891169975 and 2891170002.

It is a congruent number.

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, 638518 + ... + 643029.

Almost surely, 2^2891170032 is an apocalyptic number.

It is an amenable number.

2891170032 is an abundant number, since it is smaller than the sum of its proper divisors (4736603664).

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

2891170032 is a wasteful number, since it uses less digits than its factorization.

2891170032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281605 (or 1281599 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2891170032 is about 53769.6013747545. The cubic root of 2891170032 is about 1424.5943290916.

The spelling of 2891170032 in words is "two billion, eight hundred ninety-one million, one hundred seventy thousand, thirty-two".