363685690369 has 4 divisors (see below), whose sum is σ = 364847625796. Its totient is φ = 362523754944.

The previous prime is 363685690367. The next prime is 363685690373. The reversal of 363685690369 is 963096586363.

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 155121761025 + 208563929344 = 393855^2 + 456688^2 .

It is a cyclic number.

It is not a de Polignac number, because 363685690369 - 2¹ = 363685690367 is a prime.

It is a super-2 number, since 2×363685690369² (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 363685690369.

It is not an unprimeable number, because it can be changed into a prime (363685690367) 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, 580967244 + ... + 580967869.

It is an arithmetic number, because the mean of its divisors is an integer number (91211906449).

Almost surely, 2^363685690369 is an apocalyptic number.

It is an amenable number.

363685690369 is a deficient number, since it is larger than the sum of its proper divisors (1161935427).

363685690369 is a wasteful number, since it uses less digits than its factorization.

363685690369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161935426.

The product of its (nonzero) digits is 113374080, while the sum is 64.

The spelling of 363685690369 in words is "three hundred sixty-three billion, six hundred eighty-five million, six hundred ninety thousand, three hundred sixty-nine".