232420172649 has 16 divisors (see below), whose sum is σ = 354171304320. Its totient is φ = 132808815360.

The previous prime is 232420172629. The next prime is 232420172651. The reversal of 232420172649 is 946271024232.

232420172649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232420172649 - 2⁸ = 232420172393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232420172649.

It is not an unprimeable number, because it can be changed into a prime (232420172629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429867 + ... + 1584095.

It is an arithmetic number, because the mean of its divisors is an integer number (22135706520).

Almost surely, 2^232420172649 is an apocalyptic number.

It is an amenable number.

232420172649 is a deficient number, since it is larger than the sum of its proper divisors (121751131671).

232420172649 is a wasteful number, since it uses less digits than its factorization.

232420172649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226000.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 232420172649 in words is "two hundred thirty-two billion, four hundred twenty million, one hundred seventy-two thousand, six hundred forty-nine".