369790638661 has 2 divisors, whose sum is σ = 369790638662. Its totient is φ = 369790638660.

The previous prime is 369790638631. The next prime is 369790638691. The reversal of 369790638661 is 166836097963.

It is a balanced prime because it is at equal distance from previous prime (369790638631) and next prime (369790638691).

It can be written as a sum of positive squares in only one way, i.e., 229446748036 + 140343890625 = 479006^2 + 374625^2 .

It is a cyclic number.

It is not a de Polignac number, because 369790638661 - 2⁷ = 369790638533 is a prime.

It is a super-3 number, since 3×369790638661³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 369790638593 and 369790638602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (369790638631) 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 as a sum of consecutive naturals, namely, 184895319330 + 184895319331.

It is an arithmetic number, because the mean of its divisors is an integer number (184895319331).

Almost surely, 2^369790638661 is an apocalyptic number.

It is an amenable number.

369790638661 is a deficient number, since it is larger than the sum of its proper divisors (1).

369790638661 is an equidigital number, since it uses as much as digits as its factorization.

369790638661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 64.

The spelling of 369790638661 in words is "three hundred sixty-nine billion, seven hundred ninety million, six hundred thirty-eight thousand, six hundred sixty-one".