774056185954253 has 2 divisors, whose sum is σ = 774056185954254. Its totient is φ = 774056185954252.

The previous prime is 774056185954157. The next prime is 774056185954309. The reversal of 774056185954253 is 352459581650477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746313664462564 + 27742521491689 = 27318742^2 + 5267117^2 .

It is a cyclic number.

It is not a de Polignac number, because 774056185954253 - 2²⁴ = 774056169177037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774056185954853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387028092977126 + 387028092977127.

It is an arithmetic number, because the mean of its divisors is an integer number (387028092977127).

It is a 2-persistent number, because it is pandigital, and so is 2⋅774056185954253 = 1548112371908506, but 3⋅774056185954253 = 2322168557862759 is not.

Almost surely, 2^{774056185954253} is an apocalyptic number.

It is an amenable number.

774056185954253 is a deficient number, since it is larger than the sum of its proper divisors (1).

774056185954253 is an equidigital number, since it uses as much as digits as its factorization.

774056185954253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080000, while the sum is 71.

The spelling of 774056185954253 in words is "seven hundred seventy-four trillion, fifty-six billion, one hundred eighty-five million, nine hundred fifty-four thousand, two hundred fifty-three".