4049451898 has 16 divisors (see below), whose sum is σ = 6358545216. Its totient is φ = 1930500000.

The previous prime is 4049451881. The next prime is 4049451899. The reversal of 4049451898 is 8981549404.

It is not an unprimeable number, because it can be changed into a prime (4049451899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126228 + ... + 155023.

It is an arithmetic number, because the mean of its divisors is an integer number (397409076).

Almost surely, 2^4049451898 is an apocalyptic number.

4049451898 is a deficient number, since it is larger than the sum of its proper divisors (2309093318).

4049451898 is a wasteful number, since it uses less digits than its factorization.

4049451898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281589.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 4049451898 is about 63635.3038650716. The cubic root of 4049451898 is about 1593.9159437043.

The spelling of 4049451898 in words is "four billion, forty-nine million, four hundred fifty-one thousand, eight hundred ninety-eight".