36437734661 has 8 divisors (see below), whose sum is σ = 38117741400. Its totient is φ = 34785963520.

The previous prime is 36437734649. The next prime is 36437734673. The reversal of 36437734661 is 16643773463.

It is an interprime number because it is at equal distance from previous prime (36437734649) and next prime (36437734673).

It can be written as a sum of positive squares in 4 ways, for example, as 1405500100 + 35032234561 = 37490^2 + 187169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36437734661 - 2²² = 36433540357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36437730661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7056260 + ... + 7061421.

It is an arithmetic number, because the mean of its divisors is an integer number (4764717675).

Almost surely, 2^36437734661 is an apocalyptic number.

It is an amenable number.

36437734661 is a deficient number, since it is larger than the sum of its proper divisors (1680006739).

36437734661 is a wasteful number, since it uses less digits than its factorization.

36437734661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117799.

The product of its digits is 4572288, while the sum is 50.

The spelling of 36437734661 in words is "thirty-six billion, four hundred thirty-seven million, seven hundred thirty-four thousand, six hundred sixty-one".