36447723137461 has 4 divisors (see below), whose sum is σ = 37065481156800. Its totient is φ = 35829965118124.

The previous prime is 36447723137431. The next prime is 36447723137471. The reversal of 36447723137461 is 16473132774463.

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 a cyclic number.

It is not a de Polignac number, because 36447723137461 - 2⁹ = 36447723136949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36447723137396 and 36447723137405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36447723137431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308879009581 + ... + 308879009698.

It is an arithmetic number, because the mean of its divisors is an integer number (9266370289200).

Almost surely, 2^{36447723137461} is an apocalyptic number.

It is an amenable number.

36447723137461 is a deficient number, since it is larger than the sum of its proper divisors (617758019339).

36447723137461 is an equidigital number, since it uses as much as digits as its factorization.

36447723137461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617758019338.

The product of its digits is 42674688, while the sum is 58.

The spelling of 36447723137461 in words is "thirty-six trillion, four hundred forty-seven billion, seven hundred twenty-three million, one hundred thirty-seven thousand, four hundred sixty-one".