36447461081 has 8 divisors (see below), whose sum is σ = 37649932800. Its totient is φ = 35246661120.

The previous prime is 36447461069. The next prime is 36447461137. The reversal of 36447461081 is 18016474463.

36447461081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36447461081 - 2²² = 36443266777 is a prime.

It is a super-2 number, since 2×36447461081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36447461041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373541 + ... + 460898.

It is an arithmetic number, because the mean of its divisors is an integer number (4706241600).

Almost surely, 2^36447461081 is an apocalyptic number.

36447461081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36447461081 is a deficient number, since it is larger than the sum of its proper divisors (1202471719).

36447461081 is a wasteful number, since it uses less digits than its factorization.

36447461081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835879.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 36447461081 in words is "thirty-six billion, four hundred forty-seven million, four hundred sixty-one thousand, eighty-one".