4891041677 has 2 divisors, whose sum is σ = 4891041678. Its totient is φ = 4891041676.

The previous prime is 4891041637. The next prime is 4891041703. The reversal of 4891041677 is 7761401984.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2943496516 + 1947545161 = 54254^2 + 44131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4891041677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4891041637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445520838 + 2445520839.

It is an arithmetic number, because the mean of its divisors is an integer number (2445520839).

Almost surely, 2^4891041677 is an apocalyptic number.

It is an amenable number.

4891041677 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891041677 is an equidigital number, since it uses as much as digits as its factorization.

4891041677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 4891041677 is about 69935.9827056144. The cubic root of 4891041677 is about 1697.4635388442.

The spelling of 4891041677 in words is "four billion, eight hundred ninety-one million, forty-one thousand, six hundred seventy-seven".