36721143103444 has 6 divisors (see below), whose sum is σ = 64262000431034. Its totient is φ = 18360571551720.

The previous prime is 36721143103427. The next prime is 36721143103459. The reversal of 36721143103444 is 44430134112763.

It can be written as a sum of positive squares in only one way, i.e., 22682168256400 + 14038974847044 = 4762580^2 + 3746862^2 .

It is a super-2 number, since 2×36721143103444² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36721143103444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4590142887927 + ... + 4590142887934.

Almost surely, 2^{36721143103444} is an apocalyptic number.

It is an amenable number.

36721143103444 is a deficient number, since it is larger than the sum of its proper divisors (27540857327590).

36721143103444 is a wasteful number, since it uses less digits than its factorization.

36721143103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180285775865 (or 9180285775863 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 36721143103444 in words is "thirty-six trillion, seven hundred twenty-one billion, one hundred forty-three million, one hundred three thousand, four hundred forty-four".