380281777553 has 2 divisors, whose sum is σ = 380281777554. Its totient is φ = 380281777552.

The previous prime is 380281777517. The next prime is 380281777607. The reversal of 380281777553 is 355777182083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366711391489 + 13570386064 = 605567^2 + 116492^2 .

It is a cyclic number.

It is not a de Polignac number, because 380281777553 - 2¹⁰ = 380281776529 is a prime.

It is a super-2 number, since 2×380281777553² (a number of 24 digits) contains 22 as substring.

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 (380281777453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190140888776 + 190140888777.

It is an arithmetic number, because the mean of its divisors is an integer number (190140888777).

Almost surely, 2^380281777553 is an apocalyptic number.

It is an amenable number.

380281777553 is a deficient number, since it is larger than the sum of its proper divisors (1).

380281777553 is an equidigital number, since it uses as much as digits as its factorization.

380281777553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 380281777553 in words is "three hundred eighty billion, two hundred eighty-one million, seven hundred seventy-seven thousand, five hundred fifty-three".