5491235748077 has 2 divisors, whose sum is σ = 5491235748078. Its totient is φ = 5491235748076.

The previous prime is 5491235748071. The next prime is 5491235748101. The reversal of 5491235748077 is 7708475321945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5453000247556 + 38235500521 = 2335166^2 + 195539^2 .

It is a cyclic number.

It is not a de Polignac number, because 5491235748077 - 2³⁰ = 5490162006253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5491235748071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2745617874038 + 2745617874039.

It is an arithmetic number, because the mean of its divisors is an integer number (2745617874039).

Almost surely, 2^{5491235748077} is an apocalyptic number.

It is an amenable number.

5491235748077 is a deficient number, since it is larger than the sum of its proper divisors (1).

5491235748077 is an equidigital number, since it uses as much as digits as its factorization.

5491235748077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59270400, while the sum is 62.

The spelling of 5491235748077 in words is "five trillion, four hundred ninety-one billion, two hundred thirty-five million, seven hundred forty-eight thousand, seventy-seven".