35644616961 has 4 divisors (see below), whose sum is σ = 47526155952. Its totient is φ = 23763077972.

The previous prime is 35644616951. The next prime is 35644616971. The reversal of 35644616961 is 16961644653.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (35644616951) and next prime (35644616971).

It is a cyclic number.

It is not a de Polignac number, because 35644616961 - 2¹¹ = 35644614913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (35644616951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5940769491 + ... + 5940769496.

It is an arithmetic number, because the mean of its divisors is an integer number (11881538988).

Almost surely, 2^35644616961 is an apocalyptic number.

It is an amenable number.

35644616961 is a deficient number, since it is larger than the sum of its proper divisors (11881538991).

35644616961 is a wasteful number, since it uses less digits than its factorization.

35644616961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11881538990.

The product of its digits is 2799360, while the sum is 51.

The spelling of 35644616961 in words is "thirty-five billion, six hundred forty-four million, six hundred sixteen thousand, nine hundred sixty-one".