36420681852026 has 4 divisors (see below), whose sum is σ = 54631022778042. Its totient is φ = 18210340926012.

The previous prime is 36420681852019. The next prime is 36420681852067. The reversal of 36420681852026 is 62025818602463.

It is a Cunningham number, because it is equal to 6034955²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36420681852025 + 1 = 6034955^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9105170463005 + ... + 9105170463008.

Almost surely, 2^{36420681852026} is an apocalyptic number.

36420681852026 is a deficient number, since it is larger than the sum of its proper divisors (18210340926016).

36420681852026 is a wasteful number, since it uses less digits than its factorization.

36420681852026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210340926015.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 36420681852026 in words is "thirty-six trillion, four hundred twenty billion, six hundred eighty-one million, eight hundred fifty-two thousand, twenty-six".