4619861898 has 16 divisors (see below), whose sum is σ = 9436314240. Its totient is φ = 1507188896.

The previous prime is 4619861887. The next prime is 4619861933. The reversal of 4619861898 is 8981689164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190963 + ... + 8191526.

It is an arithmetic number, because the mean of its divisors is an integer number (589769640).

Almost surely, 2^4619861898 is an apocalyptic number.

4619861898 is an abundant number, since it is smaller than the sum of its proper divisors (4816452342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4619861898 is a wasteful number, since it uses less digits than its factorization.

4619861898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382541.

The product of its digits is 5971968, while the sum is 60.

The square root of 4619861898 is about 67969.5659688952. The cubic root of 4619861898 is about 1665.4937135734.

The spelling of 4619861898 in words is "four billion, six hundred nineteen million, eight hundred sixty-one thousand, eight hundred ninety-eight".