375275084409 has 27 divisors (see below), whose sum is σ = 551566623439. Its totient is φ = 245871931920.

The previous prime is 375275084407. The next prime is 375275084419. The reversal of 375275084409 is 904480572573.

It is a happy number.

The square root of 375275084409 is 612597.

It is a perfect power (a square), and thus also a powerful number.

375275084409 is a `hidden beast` number, since 3 + 75 + 27 + 508 + 4 + 40 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74203394409 + 301071690000 = 272403^2 + 548700^2 .

It is not a de Polignac number, because 375275084409 - 2¹ = 375275084407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375275084407) 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 26 ways as a sum of consecutive naturals, for example, 108427939 + ... + 108431399.

Almost surely, 2^375275084409 is an apocalyptic number.

375275084409 is the 612597-th square number.

375275084409 is the 306299-th centered octagonal number.

It is an amenable number.

375275084409 is a deficient number, since it is larger than the sum of its proper divisors (176291539030).

375275084409 is an frugal number, since it uses more digits than its factorization.

375275084409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 375275084409 in words is "three hundred seventy-five billion, two hundred seventy-five million, eighty-four thousand, four hundred nine".