375409827621361 has 4 divisors (see below), whose sum is σ = 404287506669172. Its totient is φ = 346532148573552.

The previous prime is 375409827621359. The next prime is 375409827621371. The reversal of 375409827621361 is 163126728904573.

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 54285434658225 + 321124392963136 = 7367865^2 + 17919944^2 .

It is a cyclic number.

It is not a de Polignac number, because 375409827621361 - 2¹ = 375409827621359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 375409827621293 and 375409827621302.

It is not an unprimeable number, because it can be changed into a prime (375409827621341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14438839523886 + ... + 14438839523911.

It is an arithmetic number, because the mean of its divisors is an integer number (101071876667293).

It is a 1-persistent number, because it is pandigital, but 2⋅375409827621361 = 750819655242722 is not.

Almost surely, 2^{375409827621361} is an apocalyptic number.

It is an amenable number.

375409827621361 is a deficient number, since it is larger than the sum of its proper divisors (28877679047811).

375409827621361 is a wasteful number, since it uses less digits than its factorization.

375409827621361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28877679047810.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 375409827621361 in words is "three hundred seventy-five trillion, four hundred nine billion, eight hundred twenty-seven million, six hundred twenty-one thousand, three hundred sixty-one".