1010439999 has 12 divisors (see below), whose sum is σ = 1545379056. Its totient is φ = 634001472.

The previous prime is 1010439949. The next prime is 1010440021. The reversal of 1010439999 is 9999340101.

It is not a de Polignac number, because 1010439999 - 2¹⁵ = 1010407231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010439949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3301939 + ... + 3302244.

It is an arithmetic number, because the mean of its divisors is an integer number (128781588).

Almost surely, 2^1010439999 is an apocalyptic number.

1010439999 is a deficient number, since it is larger than the sum of its proper divisors (534939057).

1010439999 is a wasteful number, since it uses less digits than its factorization.

1010439999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604206 (or 6604203 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 1010439999 is about 31787.4188791729. The cubic root of 1010439999 is about 1003.4679590241.

The spelling of 1010439999 in words is "one billion, ten million, four hundred thirty-nine thousand, nine hundred ninety-nine".