36447245715621 has 16 divisors (see below), whose sum is σ = 52336592201600. Its totient is φ = 22428180486720.

The previous prime is 36447245715563. The next prime is 36447245715637. The reversal of 36447245715621 is 12651754274463.

It is not a de Polignac number, because 36447245715621 - 2⁹ = 36447245715109 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 (36447245710621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17628946 + ... + 19587603.

It is an arithmetic number, because the mean of its divisors is an integer number (3271037012600).

Almost surely, 2^{36447245715621} is an apocalyptic number.

It is an amenable number.

36447245715621 is a deficient number, since it is larger than the sum of its proper divisors (15889346485979).

36447245715621 is a wasteful number, since it uses less digits than its factorization.

36447245715621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37241676.

The product of its digits is 33868800, while the sum is 57.

The spelling of 36447245715621 in words is "thirty-six trillion, four hundred forty-seven billion, two hundred forty-five million, seven hundred fifteen thousand, six hundred twenty-one".