360690695821 has 2 divisors, whose sum is σ = 360690695822. Its totient is φ = 360690695820.

The previous prime is 360690695797. The next prime is 360690695857. The reversal of 360690695821 is 128596096063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357932975625 + 2757720196 = 598275^2 + 52514^2 .

It is a cyclic number.

It is not a de Polignac number, because 360690695821 - 2¹³ = 360690687629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (360690695861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180345347910 + 180345347911.

It is an arithmetic number, because the mean of its divisors is an integer number (180345347911).

Almost surely, 2^360690695821 is an apocalyptic number.

It is an amenable number.

360690695821 is a deficient number, since it is larger than the sum of its proper divisors (1).

360690695821 is an equidigital number, since it uses as much as digits as its factorization.

360690695821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 360690695821 in words is "three hundred sixty billion, six hundred ninety million, six hundred ninety-five thousand, eight hundred twenty-one".