365923537873 has 4 divisors (see below), whose sum is σ = 368594512740. Its totient is φ = 363252563008.

The previous prime is 365923537829. The next prime is 365923537919. The reversal of 365923537873 is 378735329563.

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 320047038529 + 45876499344 = 565727^2 + 214188^2 .

It is a cyclic number.

It is not a de Polignac number, because 365923537873 - 2⁹ = 365923537361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365923337873) 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, 1335487228 + ... + 1335487501.

It is an arithmetic number, because the mean of its divisors is an integer number (92148628185).

Almost surely, 2^365923537873 is an apocalyptic number.

It is an amenable number.

365923537873 is a deficient number, since it is larger than the sum of its proper divisors (2670974867).

365923537873 is a wasteful number, since it uses less digits than its factorization.

365923537873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670974866.

The product of its digits is 85730400, while the sum is 61.

The spelling of 365923537873 in words is "three hundred sixty-five billion, nine hundred twenty-three million, five hundred thirty-seven thousand, eight hundred seventy-three".