4158991492 has 12 divisors (see below), whose sum is σ = 7278713820. Its totient is φ = 2079358976.

The previous prime is 4158991481. The next prime is 4158991513. The reversal of 4158991492 is 2941998514.

It can be written as a sum of positive squares in 2 ways, for example, as 4073502976 + 85488516 = 63824^2 + 9246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68484 + ... + 114052.

It is an arithmetic number, because the mean of its divisors is an integer number (606559485).

Almost surely, 2^4158991492 is an apocalyptic number.

It is an amenable number.

4158991492 is a deficient number, since it is larger than the sum of its proper divisors (3119722328).

4158991492 is a wasteful number, since it uses less digits than its factorization.

4158991492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68390 (or 68388 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 4158991492 is about 64490.2433861123. The cubic root of 4158991492 is about 1608.1603270954.

The spelling of 4158991492 in words is "four billion, one hundred fifty-eight million, nine hundred ninety-one thousand, four hundred ninety-two".