36958970861 has 2 divisors, whose sum is σ = 36958970862. Its totient is φ = 36958970860.

The previous prime is 36958970857. The next prime is 36958970897. The reversal of 36958970861 is 16807985963.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31163193961 + 5795776900 = 176531^2 + 76130^2 .

It is an emirp because it is prime and its reverse (16807985963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36958970861 - 2² = 36958970857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36958970794 and 36958970803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36958970821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18479485430 + 18479485431.

It is an arithmetic number, because the mean of its divisors is an integer number (18479485431).

Almost surely, 2^36958970861 is an apocalyptic number.

It is an amenable number.

36958970861 is a deficient number, since it is larger than the sum of its proper divisors (1).

36958970861 is an equidigital number, since it uses as much as digits as its factorization.

36958970861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 36958970861 in words is "thirty-six billion, nine hundred fifty-eight million, nine hundred seventy thousand, eight hundred sixty-one".