4891151958 has 64 divisors (see below), whose sum is σ = 12426296832. Its totient is φ = 1246452480.

The previous prime is 4891151953. The next prime is 4891151971. The reversal of 4891151958 is 8591511984.

It is a self number, because there is not a number n which added to its sum of digits gives 4891151958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891151953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75391 + ... + 124362.

It is an arithmetic number, because the mean of its divisors is an integer number (194160888).

Almost surely, 2^4891151958 is an apocalyptic number.

4891151958 is an abundant number, since it is smaller than the sum of its proper divisors (7535144874).

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

4891151958 is a wasteful number, since it uses less digits than its factorization.

4891151958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199829.

The product of its digits is 518400, while the sum is 51.

The square root of 4891151958 is about 69936.7711436552. The cubic root of 4891151958 is about 1697.4762966289.

The spelling of 4891151958 in words is "four billion, eight hundred ninety-one million, one hundred fifty-one thousand, nine hundred fifty-eight".