4591297877 has 4 divisors (see below), whose sum is σ = 4591434540. Its totient is φ = 4591161216.

The previous prime is 4591297871. The next prime is 4591297889. The reversal of 4591297877 is 7787921954.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7787921954 = 2 ⋅3893960977.

It can be written as a sum of positive squares in 2 ways, for example, as 1580142001 + 3011155876 = 39751^2 + 54874^2 .

It is a cyclic number.

It is not a de Polignac number, because 4591297877 - 2²⁸ = 4322862421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591297871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20933 + ... + 98085.

It is an arithmetic number, because the mean of its divisors is an integer number (1147858635).

Almost surely, 2^4591297877 is an apocalyptic number.

It is an amenable number.

4591297877 is a deficient number, since it is larger than the sum of its proper divisors (136663).

4591297877 is an equidigital number, since it uses as much as digits as its factorization.

4591297877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136662.

The product of its digits is 8890560, while the sum is 59.

The square root of 4591297877 is about 67759.1165600615. The cubic root of 4591297877 is about 1662.0541026795.

The spelling of 4591297877 in words is "four billion, five hundred ninety-one million, two hundred ninety-seven thousand, eight hundred seventy-seven".