361077961689 has 12 divisors (see below), whose sum is σ = 521571879972. Its totient is φ = 240711799200.

The previous prime is 361077961669. The next prime is 361077961691. The reversal of 361077961689 is 986169770163.

361077961689 is a `hidden beast` number, since 3 + 6 + 1 + 0 + 7 + 7 + 9 + 616 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 158818190400 + 202259771289 = 398520^2 + 449733^2 .

It is not a de Polignac number, because 361077961689 - 2¹⁵ = 361077928921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361077961619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224922 + ... + 879059.

It is an arithmetic number, because the mean of its divisors is an integer number (43464323331).

Almost surely, 2^361077961689 is an apocalyptic number.

It is an amenable number.

361077961689 is a deficient number, since it is larger than the sum of its proper divisors (160493918283).

361077961689 is a wasteful number, since it uses less digits than its factorization.

361077961689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140328 (or 1140325 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 361077961689 in words is "three hundred sixty-one billion, seventy-seven million, nine hundred sixty-one thousand, six hundred eighty-nine".