36444773547 has 24 divisors (see below), whose sum is σ = 64790709984. Its totient is φ = 19223616384.

The previous prime is 36444773509. The next prime is 36444773557. The reversal of 36444773547 is 74537744463.

36444773547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36444773547 - 2¹⁸ = 36444511403 is a prime.

It is a super-2 number, since 2×36444773547² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36444773493 and 36444773502.

It is not an unprimeable number, because it can be changed into a prime (36444773557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22248738 + ... + 22250375.

It is an arithmetic number, because the mean of its divisors is an integer number (2699612916).

Almost surely, 2^36444773547 is an apocalyptic number.

36444773547 is a deficient number, since it is larger than the sum of its proper divisors (28345936437).

36444773547 is a wasteful number, since it uses less digits than its factorization.

36444773547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44499139 (or 44499136 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 54.

The spelling of 36444773547 in words is "thirty-six billion, four hundred forty-four million, seven hundred seventy-three thousand, five hundred forty-seven".