774541879141 has 2 divisors, whose sum is σ = 774541879142. Its totient is φ = 774541879140.

The previous prime is 774541879129. The next prime is 774541879231. The reversal of 774541879141 is 141978145477.

It is a happy number.

774541879141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766813711041 + 7728168100 = 875679^2 + 87910^2 .

It is a cyclic number.

It is not a de Polignac number, because 774541879141 - 2²⁷ = 774407661413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774541829141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387270939570 + 387270939571.

It is an arithmetic number, because the mean of its divisors is an integer number (387270939571).

Almost surely, 2^774541879141 is an apocalyptic number.

It is an amenable number.

774541879141 is a deficient number, since it is larger than the sum of its proper divisors (1).

774541879141 is an equidigital number, since it uses as much as digits as its factorization.

774541879141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 58.

The spelling of 774541879141 in words is "seven hundred seventy-four billion, five hundred forty-one million, eight hundred seventy-nine thousand, one hundred forty-one".