28921210119 has 6 divisors (see below), whose sum is σ = 41775081296. Its totient is φ = 19280806740.

The previous prime is 28921210057. The next prime is 28921210147. The reversal of 28921210119 is 91101212982.

It is not a de Polignac number, because 28921210119 - 2⁷ = 28921209991 is a prime.

It is a super-2 number, since 2×28921210119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28921211119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606733887 + ... + 1606733904.

Almost surely, 2^28921210119 is an apocalyptic number.

28921210119 is a deficient number, since it is larger than the sum of its proper divisors (12853871177).

28921210119 is a wasteful number, since it uses less digits than its factorization.

28921210119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213467797 (or 3213467794 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 28921210119 in words is "twenty-eight billion, nine hundred twenty-one million, two hundred ten thousand, one hundred nineteen".