375045023209 has 4 divisors (see below), whose sum is σ = 381193302340. Its totient is φ = 368896744080.

The previous prime is 375045023207. The next prime is 375045023239. The reversal of 375045023209 is 902320540573.

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 212774625625 + 162270397584 = 461275^2 + 402828^2 .

It is a cyclic number.

It is not a de Polignac number, because 375045023209 - 2¹ = 375045023207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375045023207) 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, 3074139474 + ... + 3074139595.

It is an arithmetic number, because the mean of its divisors is an integer number (95298325585).

Almost surely, 2^375045023209 is an apocalyptic number.

It is an amenable number.

375045023209 is a deficient number, since it is larger than the sum of its proper divisors (6148279131).

375045023209 is an equidigital number, since it uses as much as digits as its factorization.

375045023209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148279130.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 375045023209 in words is "three hundred seventy-five billion, forty-five million, twenty-three thousand, two hundred nine".