35681394544 has 20 divisors (see below), whose sum is σ = 69494659200. Its totient is φ = 17747288960.

The previous prime is 35681394523. The next prime is 35681394547. The reversal of 35681394544 is 44549318653.

It is a junction number, because it is equal to n+sod(n) for n = 35681394491 and 35681394500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35681394547) 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 3 ways as a sum of consecutive naturals, for example, 5834869 + ... + 5840980.

It is an arithmetic number, because the mean of its divisors is an integer number (3474732960).

Almost surely, 2^35681394544 is an apocalyptic number.

It is an amenable number.

35681394544 is a deficient number, since it is larger than the sum of its proper divisors (33813264656).

35681394544 is a wasteful number, since it uses less digits than its factorization.

35681394544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11676048 (or 11676042 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 35681394544 in words is "thirty-five billion, six hundred eighty-one million, three hundred ninety-four thousand, five hundred forty-four".