4961692591 has 2 divisors, whose sum is σ = 4961692592. Its totient is φ = 4961692590.

The previous prime is 4961692469. The next prime is 4961692601. The reversal of 4961692591 is 1952961694.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4961692591 - 2²¹ = 4959595439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4961692691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480846295 + 2480846296.

It is an arithmetic number, because the mean of its divisors is an integer number (2480846296).

Almost surely, 2^4961692591 is an apocalyptic number.

4961692591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961692591 is an equidigital number, since it uses as much as digits as its factorization.

4961692591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 52.

The square root of 4961692591 is about 70439.2830102635. The cubic root of 4961692591 is about 1705.5977632448.

The spelling of 4961692591 in words is "four billion, nine hundred sixty-one million, six hundred ninety-two thousand, five hundred ninety-one".