3729542205505 has 8 divisors (see below), whose sum is σ = 4670035457472. Its totient is φ = 2853910557168.

The previous prime is 3729542205461. The next prime is 3729542205569. The reversal of 3729542205505 is 5055022459273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3729542205505 - 2⁷ = 3729542205377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16215400779 + ... + 16215401008.

It is an arithmetic number, because the mean of its divisors is an integer number (583754432184).

Almost surely, 2^{3729542205505} is an apocalyptic number.

It is an amenable number.

3729542205505 is a deficient number, since it is larger than the sum of its proper divisors (940493251967).

3729542205505 is a wasteful number, since it uses less digits than its factorization.

3729542205505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32430801815.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 3729542205505 in words is "three trillion, seven hundred twenty-nine billion, five hundred forty-two million, two hundred five thousand, five hundred five".