4646491291 has 16 divisors (see below), whose sum is σ = 5216926176. Its totient is φ = 4110253056.

The previous prime is 4646491279. The next prime is 4646491301. The reversal of 4646491291 is 1921946464.

It is not a de Polignac number, because 4646491291 - 2⁵ = 4646491259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4646491261) 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, 48790 + ... + 108043.

It is an arithmetic number, because the mean of its divisors is an integer number (326057886).

Almost surely, 2^4646491291 is an apocalyptic number.

4646491291 is a deficient number, since it is larger than the sum of its proper divisors (570434885).

4646491291 is a wasteful number, since it uses less digits than its factorization.

4646491291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156942.

The product of its digits is 373248, while the sum is 46.

The square root of 4646491291 is about 68165.1765273149. The cubic root of 4646491291 is about 1668.6876145025.

The spelling of 4646491291 in words is "four billion, six hundred forty-six million, four hundred ninety-one thousand, two hundred ninety-one".