39734043556 has 9 divisors (see below), whose sum is σ = 69535273899. Its totient is φ = 19866822444.

The previous prime is 39734043529. The next prime is 39734043581. The reversal of 39734043556 is 65534043793.

The square root of 39734043556 is 199334.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 348835 + ... + 448501.

Almost surely, 2^39734043556 is an apocalyptic number.

39734043556 is the 199334-th square number.

It is an amenable number.

39734043556 is a deficient number, since it is larger than the sum of its proper divisors (29801230343).

39734043556 is an frugal number, since it uses more digits than its factorization.

39734043556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199338 (or 99669 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 49.

Multiplying 39734043556 by its sum of digits (49), we get a square (1946968134244 = 1395338²).

It can be divided in two parts, 397340 and 43556, that added together give a square (440896 = 664²).

The spelling of 39734043556 in words is "thirty-nine billion, seven hundred thirty-four million, forty-three thousand, five hundred fifty-six".