4290891491 has 8 divisors (see below), whose sum is σ = 4310779200. Its totient is φ = 4271035968.

The previous prime is 4290891457. The next prime is 4290891529. The reversal of 4290891491 is 1941980924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4290891491 - 2¹⁴ = 4290875107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4290891401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283190 + ... + 297956.

It is an arithmetic number, because the mean of its divisors is an integer number (538847400).

Almost surely, 2^4290891491 is an apocalyptic number.

4290891491 is a deficient number, since it is larger than the sum of its proper divisors (19887709).

4290891491 is a wasteful number, since it uses less digits than its factorization.

4290891491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16093.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 4290891491 is about 65504.8966948273. The cubic root of 4290891491 is about 1624.9843300737.

The spelling of 4290891491 in words is "four billion, two hundred ninety million, eight hundred ninety-one thousand, four hundred ninety-one".