375645320863 has 4 divisors (see below), whose sum is σ = 376339675048. Its totient is φ = 374950966680.

The previous prime is 375645320807. The next prime is 375645320867. The reversal of 375645320863 is 368023546573.

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

It is a cyclic number.

It is not a de Polignac number, because 375645320863 - 2¹³ = 375645312671 is a prime.

It is a super-2 number, since 2×375645320863² (a number of 24 digits) contains 22 as substring.

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 375645320863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375645320867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347176281 + ... + 347177362.

It is an arithmetic number, because the mean of its divisors is an integer number (94084918762).

Almost surely, 2^375645320863 is an apocalyptic number.

375645320863 is a deficient number, since it is larger than the sum of its proper divisors (694354185).

375645320863 is an equidigital number, since it uses as much as digits as its factorization.

375645320863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694354184.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 375645320863 in words is "three hundred seventy-five billion, six hundred forty-five million, three hundred twenty thousand, eight hundred sixty-three".