28019142966 has 16 divisors (see below), whose sum is σ = 57230590464. Its totient is φ = 9140996904.

The previous prime is 28019142941. The next prime is 28019142967. The reversal of 28019142966 is 66924191082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28019142967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49679050 + ... + 49679613.

It is an arithmetic number, because the mean of its divisors is an integer number (3576911904).

Almost surely, 2^28019142966 is an apocalyptic number.

28019142966 is an abundant number, since it is smaller than the sum of its proper divisors (29211447498).

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

28019142966 is a wasteful number, since it uses less digits than its factorization.

28019142966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99358715.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 28019142966 in words is "twenty-eight billion, nineteen million, one hundred forty-two thousand, nine hundred sixty-six".