3725547927409 has 16 divisors (see below), whose sum is σ = 4651740731520. Its totient is φ = 2898710760960.

The previous prime is 3725547927401. The next prime is 3725547927463. The reversal of 3725547927409 is 9047297455273.

It is not a de Polignac number, because 3725547927409 - 2³ = 3725547927401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3725547927401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35894494 + ... + 35998135.

It is an arithmetic number, because the mean of its divisors is an integer number (290733795720).

Almost surely, 2^{3725547927409} is an apocalyptic number.

It is an amenable number.

3725547927409 is a deficient number, since it is larger than the sum of its proper divisors (926192804111).

3725547927409 is a wasteful number, since it uses less digits than its factorization.

3725547927409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71893320.

The product of its (nonzero) digits is 133358400, while the sum is 64.

The spelling of 3725547927409 in words is "three trillion, seven hundred twenty-five billion, five hundred forty-seven million, nine hundred twenty-seven thousand, four hundred nine".