4077755231513 has 2 divisors, whose sum is σ = 4077755231514. Its totient is φ = 4077755231512.

The previous prime is 4077755231419. The next prime is 4077755231567. The reversal of 4077755231513 is 3151325577704.

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., 2383821745369 + 1693933486144 = 1543963^2 + 1301512^2 .

It is a cyclic number.

It is not a de Polignac number, because 4077755231513 - 2³⁰ = 4076681489689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4077755231113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038877615756 + 2038877615757.

It is an arithmetic number, because the mean of its divisors is an integer number (2038877615757).

Almost surely, 2^{4077755231513} is an apocalyptic number.

It is an amenable number.

4077755231513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4077755231513 is an equidigital number, since it uses as much as digits as its factorization.

4077755231513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The spelling of 4077755231513 in words is "four trillion, seventy-seven billion, seven hundred fifty-five million, two hundred thirty-one thousand, five hundred thirteen".