2172435632 has 10 divisors (see below), whose sum is σ = 4209094068. Its totient is φ = 1086217808.

The previous prime is 2172435631. The next prime is 2172435647. The reversal of 2172435632 is 2365342712.

It is a junction number, because it is equal to n+sod(n) for n = 2172435592 and 2172435601.

It is not an unprimeable number, because it can be changed into a prime (2172435631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67888598 + ... + 67888629.

Almost surely, 2^2172435632 is an apocalyptic number.

It is an amenable number.

2172435632 is a deficient number, since it is larger than the sum of its proper divisors (2036658436).

2172435632 is a wasteful number, since it uses less digits than its factorization.

2172435632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135777235 (or 135777229 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 2172435632 is about 46609.3942462247. The cubic root of 2172435632 is about 1295.1367867318.

The spelling of 2172435632 in words is "two billion, one hundred seventy-two million, four hundred thirty-five thousand, six hundred thirty-two".