1438653073736 has 16 divisors (see below), whose sum is σ = 2697964956540. Its totient is φ = 719195752000.

The previous prime is 1438653073717. The next prime is 1438653073829. The reversal of 1438653073736 is 6373703568341.

It can be written as a sum of positive squares in 2 ways, for example, as 1172035751236 + 266617322500 = 1082606^2 + 516350^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16301351 + ... + 16389366.

Almost surely, 2^{1438653073736} is an apocalyptic number.

It is an amenable number.

1438653073736 is a deficient number, since it is larger than the sum of its proper divisors (1259311882804).

1438653073736 is a wasteful number, since it uses less digits than its factorization.

1438653073736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32696224 (or 32696220 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 56.

The spelling of 1438653073736 in words is "one trillion, four hundred thirty-eight billion, six hundred fifty-three million, seventy-three thousand, seven hundred thirty-six".