949605189872 has 80 divisors (see below), whose sum is σ = 2019646796832. Its totient is φ = 430720573440.

The previous prime is 949605189839. The next prime is 949605189877. The reversal of 949605189872 is 278981506949.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949605189877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412658 + ... + 1438574.

Almost surely, 2^949605189872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 949605189872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009823398416).

949605189872 is an abundant number, since it is smaller than the sum of its proper divisors (1070041606960).

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

949605189872 is a wasteful number, since it uses less digits than its factorization.

949605189872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026066 (or 1026060 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 68.

The spelling of 949605189872 in words is "nine hundred forty-nine billion, six hundred five million, one hundred eighty-nine thousand, eight hundred seventy-two".