9999463928 has 16 divisors (see below), whose sum is σ = 18750090480. Its totient is φ = 4999439808.

The previous prime is 9999463889. The next prime is 9999463931. The reversal of 9999463928 is 8293649999.

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, 196100 + ... + 241772.

It is an arithmetic number, because the mean of its divisors is an integer number (1171880655).

Almost surely, 2^9999463928 is an apocalyptic number.

It is an amenable number.

9999463928 is a deficient number, since it is larger than the sum of its proper divisors (8750626552).

9999463928 is a wasteful number, since it uses less digits than its factorization.

9999463928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73046 (or 73042 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 68.

The square root of 9999463928 is about 99997.3196040774. The cubic root of 9999463928 is about 2154.3961916068.

The spelling of 9999463928 in words is "nine billion, nine hundred ninety-nine million, four hundred sixty-three thousand, nine hundred twenty-eight".