949728231687 has 16 divisors (see below), whose sum is σ = 1278007000160. Its totient is φ = 627301584000.

The previous prime is 949728231649. The next prime is 949728231689. The reversal of 949728231687 is 786132827949.

It is not a de Polignac number, because 949728231687 - 2⁷ = 949728231559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949728231689) 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, 5267937 + ... + 5445237.

It is an arithmetic number, because the mean of its divisors is an integer number (79875437510).

Almost surely, 2^949728231687 is an apocalyptic number.

949728231687 is a deficient number, since it is larger than the sum of its proper divisors (328278768473).

949728231687 is a wasteful number, since it uses less digits than its factorization.

949728231687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193794.

The product of its digits is 73156608, while the sum is 66.

The spelling of 949728231687 in words is "nine hundred forty-nine billion, seven hundred twenty-eight million, two hundred thirty-one thousand, six hundred eighty-seven".