4791489869377 has 2 divisors, whose sum is σ = 4791489869378. Its totient is φ = 4791489869376.

The previous prime is 4791489869333. The next prime is 4791489869389. The reversal of 4791489869377 is 7739689841974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3904698512961 + 886791356416 = 1976031^2 + 941696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4791489869377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4791489869377.

It is not a weakly prime, because it can be changed into another prime (4791489864377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395744934688 + 2395744934689.

It is an arithmetic number, because the mean of its divisors is an integer number (2395744934689).

Almost surely, 2^{4791489869377} is an apocalyptic number.

It is an amenable number.

4791489869377 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791489869377 is an equidigital number, since it uses as much as digits as its factorization.

4791489869377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608866304, while the sum is 82.

The spelling of 4791489869377 in words is "four trillion, seven hundred ninety-one billion, four hundred eighty-nine million, eight hundred sixty-nine thousand, three hundred seventy-seven".