1998049010 has 8 divisors (see below), whose sum is σ = 3596488236. Its totient is φ = 799219600.

The previous prime is 1998048917. The next prime is 1998049037. The reversal of 1998049010 is 109408991.

It can be written as a sum of positive squares in 2 ways, for example, as 1964882929 + 33166081 = 44327^2 + 5759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 99902441 + ... + 99902460.

Almost surely, 2^1998049010 is an apocalyptic number.

1998049010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1998049010 is a deficient number, since it is larger than the sum of its proper divisors (1598439226).

1998049010 is a wasteful number, since it uses less digits than its factorization.

1998049010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199804908.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1998049010 is about 44699.5414965299. The cubic root of 1998049010 is about 1259.5112343801.

The spelling of 1998049010 in words is "one billion, nine hundred ninety-eight million, forty-nine thousand, ten".