36581421047 has 8 divisors (see below), whose sum is σ = 37184195952. Its totient is φ = 35978745600.

The previous prime is 36581421043. The next prime is 36581421091. The reversal of 36581421047 is 74012418563.

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 36581421047 - 2² = 36581421043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36581420995 and 36581421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36581421043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248647 + ... + 1277607.

It is an arithmetic number, because the mean of its divisors is an integer number (4648024494).

Almost surely, 2^36581421047 is an apocalyptic number.

36581421047 is a deficient number, since it is larger than the sum of its proper divisors (602774905).

36581421047 is a wasteful number, since it uses less digits than its factorization.

36581421047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49729.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 36581421047 in words is "thirty-six billion, five hundred eighty-one million, four hundred twenty-one thousand, forty-seven".