6398120058 has 64 divisors (see below), whose sum is σ = 14299379712. Its totient is φ = 1891873280.

The previous prime is 6398120009. The next prime is 6398120063. The reversal of 6398120058 is 8500218936.

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 31 ways as a sum of consecutive naturals, for example, 1092085 + ... + 1097927.

It is an arithmetic number, because the mean of its divisors is an integer number (223427808).

Almost surely, 2^6398120058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6398120058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7149689856).

6398120058 is an abundant number, since it is smaller than the sum of its proper divisors (7901259654).

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

6398120058 is a wasteful number, since it uses less digits than its factorization.

6398120058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 6398120058 is about 79988.2494995359. The cubic root of 6398120058 is about 1856.4537256884.

The spelling of 6398120058 in words is "six billion, three hundred ninety-eight million, one hundred twenty thousand, fifty-eight".