1021944483 has 24 divisors (see below), whose sum is σ = 1689219168. Its totient is φ = 583206912.

The previous prime is 1021944467. The next prime is 1021944509. The reversal of 1021944483 is 3844491201.

It is a happy number.

It is not a de Polignac number, because 1021944483 - 2⁴ = 1021944467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021944083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40035 + ... + 60387.

It is an arithmetic number, because the mean of its divisors is an integer number (70384132).

Almost surely, 2^1021944483 is an apocalyptic number.

1021944483 is a deficient number, since it is larger than the sum of its proper divisors (667274685).

1021944483 is a wasteful number, since it uses less digits than its factorization.

1021944483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21163 (or 21160 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1021944483 is about 31967.8664130092. The cubic root of 1021944483 is about 1007.2619638912.

The spelling of 1021944483 in words is "one billion, twenty-one million, nine hundred forty-four thousand, four hundred eighty-three".