43742369776136 has 16 divisors (see below), whose sum is σ = 82336075409340. Its totient is φ = 21786083000320.

The previous prime is 43742369776129. The next prime is 43742369776271. The reversal of 43742369776136 is 63167796324734.

It can be written as a sum of positive squares in 2 ways, for example, as 43343867963236 + 398501812900 = 6583606^2 + 631270^2 .

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, 10637733785 + ... + 10637737896.

Almost surely, 2^{43742369776136} is an apocalyptic number.

It is an amenable number.

43742369776136 is a deficient number, since it is larger than the sum of its proper divisors (38593705633204).

43742369776136 is a wasteful number, since it uses less digits than its factorization.

43742369776136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21275471944 (or 21275471940 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 68.

The spelling of 43742369776136 in words is "forty-three trillion, seven hundred forty-two billion, three hundred sixty-nine million, seven hundred seventy-six thousand, one hundred thirty-six".