4206461591 has 2 divisors, whose sum is σ = 4206461592. Its totient is φ = 4206461590.

The previous prime is 4206461491. The next prime is 4206461617. The reversal of 4206461591 is 1951646024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4206461591 - 2²⁶ = 4139352727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4206461491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103230795 + 2103230796.

It is an arithmetic number, because the mean of its divisors is an integer number (2103230796).

Almost surely, 2^4206461591 is an apocalyptic number.

4206461591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206461591 is an equidigital number, since it uses as much as digits as its factorization.

4206461591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4206461591 is about 64857.2400815823. The cubic root of 4206461591 is about 1614.2556281058.

The spelling of 4206461591 in words is "four billion, two hundred six million, four hundred sixty-one thousand, five hundred ninety-one".