1776764140133 has 2 divisors, whose sum is σ = 1776764140134. Its totient is φ = 1776764140132.

The previous prime is 1776764140117. The next prime is 1776764140139. The reversal of 1776764140133 is 3310414676771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1602105342049 + 174658798084 = 1265743^2 + 417922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1776764140133 - 2⁴ = 1776764140117 is a prime.

It is a super-2 number, since 2×1776764140133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1776764140139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888382070066 + 888382070067.

It is an arithmetic number, because the mean of its divisors is an integer number (888382070067).

Almost surely, 2^{1776764140133} is an apocalyptic number.

It is an amenable number.

1776764140133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1776764140133 is an equidigital number, since it uses as much as digits as its factorization.

1776764140133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 1776764140133 in words is "one trillion, seven hundred seventy-six billion, seven hundred sixty-four million, one hundred forty thousand, one hundred thirty-three".