36405378683543 has 16 divisors (see below), whose sum is σ = 36813827930880. Its totient is φ = 35998005602304.

The previous prime is 36405378683539. The next prime is 36405378683551. The reversal of 36405378683543 is 34538687350463.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36405378683543 - 2² = 36405378683539 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36405378683543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36405378683503) 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 15 ways as a sum of consecutive naturals, for example, 431081480 + ... + 431165922.

It is an arithmetic number, because the mean of its divisors is an integer number (2300864245680).

Almost surely, 2^{36405378683543} is an apocalyptic number.

36405378683543 is a deficient number, since it is larger than the sum of its proper divisors (408449247337).

36405378683543 is a wasteful number, since it uses less digits than its factorization.

36405378683543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90758.

The product of its (nonzero) digits is 522547200, while the sum is 65.

The spelling of 36405378683543 in words is "thirty-six trillion, four hundred five billion, three hundred seventy-eight million, six hundred eighty-three thousand, five hundred forty-three".