365738336861 has 4 divisors (see below), whose sum is σ = 372639060252. Its totient is φ = 358837613472.

The previous prime is 365738336801. The next prime is 365738336863. The reversal of 365738336861 is 168633837563.

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 300064023961 + 65674312900 = 547781^2 + 256270^2 .

It is a cyclic number.

It is not a de Polignac number, because 365738336861 - 2¹⁴ = 365738320477 is a prime.

It is a super-2 number, since 2×365738336861² (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 365738336861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365738336863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3450361616 + ... + 3450361721.

It is an arithmetic number, because the mean of its divisors is an integer number (93159765063).

Almost surely, 2^365738336861 is an apocalyptic number.

It is an amenable number.

365738336861 is a deficient number, since it is larger than the sum of its proper divisors (6900723391).

365738336861 is an equidigital number, since it uses as much as digits as its factorization.

365738336861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900723390.

The product of its digits is 39191040, while the sum is 59.

The spelling of 365738336861 in words is "three hundred sixty-five billion, seven hundred thirty-eight million, three hundred thirty-six thousand, eight hundred sixty-one".