4865135891 has 16 divisors (see below), whose sum is σ = 6213570048. Its totient is φ = 3698548800.

The previous prime is 4865135879. The next prime is 4865135897. The reversal of 4865135891 is 1985315684.

It is a cyclic number.

It is not a de Polignac number, because 4865135891 - 2²⁶ = 4798027027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4865135897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767375 + ... + 773688.

It is an arithmetic number, because the mean of its divisors is an integer number (388348128).

Almost surely, 2^4865135891 is an apocalyptic number.

4865135891 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4865135891 is a deficient number, since it is larger than the sum of its proper divisors (1348434157).

4865135891 is a wasteful number, since it uses less digits than its factorization.

4865135891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541122.

The product of its digits is 1036800, while the sum is 50.

The square root of 4865135891 is about 69750.5260983743. The cubic root of 4865135891 is about 1694.4613158126.

The spelling of 4865135891 in words is "four billion, eight hundred sixty-five million, one hundred thirty-five thousand, eight hundred ninety-one".