2045309998 has 8 divisors (see below), whose sum is σ = 3133240992. Its totient is φ = 1000896336.

The previous prime is 2045309957. The next prime is 2045310023. The reversal of 2045309998 is 8999035402.

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

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, 10879215 + ... + 10879402.

It is an arithmetic number, because the mean of its divisors is an integer number (391655124).

Almost surely, 2^2045309998 is an apocalyptic number.

2045309998 is a deficient number, since it is larger than the sum of its proper divisors (1087930994).

2045309998 is a wasteful number, since it uses less digits than its factorization.

2045309998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21758666.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 2045309998 is about 45225.1036261942. The cubic root of 2045309998 is about 1269.3645937965.

The spelling of 2045309998 in words is "two billion, forty-five million, three hundred nine thousand, nine hundred ninety-eight".