36650173961 has 4 divisors (see below), whose sum is σ = 37502503632. Its totient is φ = 35797844292.

The previous prime is 36650173933. The next prime is 36650173981. The reversal of 36650173961 is 16937105663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16937105663 = 3911 ⋅4330633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36650173961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36650173981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426164771 + ... + 426164856.

It is an arithmetic number, because the mean of its divisors is an integer number (9375625908).

Almost surely, 2^36650173961 is an apocalyptic number.

It is an amenable number.

36650173961 is a deficient number, since it is larger than the sum of its proper divisors (852329671).

36650173961 is an equidigital number, since it uses as much as digits as its factorization.

36650173961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852329670.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 36650173961 in words is "thirty-six billion, six hundred fifty million, one hundred seventy-three thousand, nine hundred sixty-one".