1928631826988 has 12 divisors (see below), whose sum is σ = 3415769621880. Its totient is φ = 952697649312.

The previous prime is 1928631826973. The next prime is 1928631826991. The reversal of 1928631826988 is 8896281368291.

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, 2904565673 + ... + 2904566336.

It is an arithmetic number, because the mean of its divisors is an integer number (284647468490).

Almost surely, 2^{1928631826988} is an apocalyptic number.

It is an amenable number.

1928631826988 is a deficient number, since it is larger than the sum of its proper divisors (1487137794892).

1928631826988 is a wasteful number, since it uses less digits than its factorization.

1928631826988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809132096 (or 5809132094 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 71.

The spelling of 1928631826988 in words is "one trillion, nine hundred twenty-eight billion, six hundred thirty-one million, eight hundred twenty-six thousand, nine hundred eighty-eight".