4591011986 has 16 divisors (see below), whose sum is σ = 7514326368. Its totient is φ = 2086334400.

The previous prime is 4591011961. The next prime is 4591012031. The reversal of 4591011986 is 6891101954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81761 + ... + 125963.

It is an arithmetic number, because the mean of its divisors is an integer number (469645398).

Almost surely, 2^4591011986 is an apocalyptic number.

4591011986 is a deficient number, since it is larger than the sum of its proper divisors (2923314382).

4591011986 is a wasteful number, since it uses less digits than its factorization.

4591011986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48937.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 4591011986 is about 67757.0069144144. The cubic root of 4591011986 is about 1662.0196043608.

The spelling of 4591011986 in words is "four billion, five hundred ninety-one million, eleven thousand, nine hundred eighty-six".