369981723645 has 12 divisors (see below), whose sum is σ = 641301654396. Its totient is φ = 197323585920.

The previous prime is 369981723637. The next prime is 369981723689. The reversal of 369981723645 is 546327189963.

It can be written as a sum of positive squares in 2 ways, for example, as 74239355961 + 295742367684 = 272469^2 + 543822^2 .

It is not a de Polignac number, because 369981723645 - 2³ = 369981723637 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4110907996 + ... + 4110908085.

It is an arithmetic number, because the mean of its divisors is an integer number (53441804533).

Almost surely, 2^369981723645 is an apocalyptic number.

It is an amenable number.

369981723645 is a deficient number, since it is larger than the sum of its proper divisors (271319930751).

369981723645 is a wasteful number, since it uses less digits than its factorization.

369981723645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221816092 (or 8221816089 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 369981723645 in words is "three hundred sixty-nine billion, nine hundred eighty-one million, seven hundred twenty-three thousand, six hundred forty-five".