1928281012 has 12 divisors (see below), whose sum is σ = 3856562080. Its totient is φ = 826406136.

The previous prime is 1928280997. The next prime is 1928281027. The reversal of 1928281012 is 2101828291.

It is an interprime number because it is at equal distance from previous prime (1928280997) and next prime (1928281027).

1928281012 is an admirable number.

It is a super-2 number, since 2×1928281012² = 7436535322479488288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34433562 + ... + 34433617.

Almost surely, 2^1928281012 is an apocalyptic number.

It is an amenable number.

1928281012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1928281012 is a wasteful number, since it uses less digits than its factorization.

1928281012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68867190 (or 68867188 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1928281012 is about 43912.1966200736. The cubic root of 1928281012 is about 1244.6773166300.

The spelling of 1928281012 in words is "one billion, nine hundred twenty-eight million, two hundred eighty-one thousand, twelve".