385274514553 has 4 divisors (see below), whose sum is σ = 387860249700. Its totient is φ = 382688779408.

The previous prime is 385274514517. The next prime is 385274514577. The reversal of 385274514553 is 355415472583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28861932544 + 356412582009 = 169888^2 + 597003^2 .

It is a cyclic number.

It is not a de Polignac number, because 385274514553 - 2²¹ = 385272417401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385274514553.

It is not an unprimeable number, because it can be changed into a prime (385274514593) 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 in 3 ways as a sum of consecutive naturals, for example, 1292867350 + ... + 1292867647.

It is an arithmetic number, because the mean of its divisors is an integer number (96965062425).

Almost surely, 2^385274514553 is an apocalyptic number.

It is an amenable number.

385274514553 is a deficient number, since it is larger than the sum of its proper divisors (2585735147).

385274514553 is a wasteful number, since it uses less digits than its factorization.

385274514553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585735146.

The product of its digits is 10080000, while the sum is 52.

The spelling of 385274514553 in words is "three hundred eighty-five billion, two hundred seventy-four million, five hundred fourteen thousand, five hundred fifty-three".