4258129491 has 24 divisors (see below), whose sum is σ = 7668321024. Its totient is φ = 2212014960.

The previous prime is 4258129487. The next prime is 4258129511. The reversal of 4258129491 is 1949218524.

It is a happy number.

4258129491 is a `hidden beast` number, since 4 + 2 + 581 + 29 + 49 + 1 = 666.

It is not a de Polignac number, because 4258129491 - 2² = 4258129487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4258129441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3071551 + ... + 3072936.

It is an arithmetic number, because the mean of its divisors is an integer number (319513376).

Almost surely, 2^4258129491 is an apocalyptic number.

4258129491 is a deficient number, since it is larger than the sum of its proper divisors (3410191533).

4258129491 is a wasteful number, since it uses less digits than its factorization.

4258129491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144511 (or 6144508 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4258129491 is about 65254.3446139795. The cubic root of 4258129491 is about 1620.8380426203.

The spelling of 4258129491 in words is "four billion, two hundred fifty-eight million, one hundred twenty-nine thousand, four hundred ninety-one".