3874635220309 has 32 divisors (see below), whose sum is σ = 4696981516800. Its totient is φ = 3124276531200.

The previous prime is 3874635220279. The next prime is 3874635220373. The reversal of 3874635220309 is 9030225364783.

It is a cyclic number.

It is not a de Polignac number, because 3874635220309 - 2¹⁹ = 3874634696021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874635220109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111166117 + ... + 111200965.

It is an arithmetic number, because the mean of its divisors is an integer number (146780672400).

Almost surely, 2^{3874635220309} is an apocalyptic number.

It is an amenable number.

3874635220309 is a deficient number, since it is larger than the sum of its proper divisors (822346296491).

3874635220309 is a wasteful number, since it uses less digits than its factorization.

3874635220309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46261.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 3874635220309 in words is "three trillion, eight hundred seventy-four billion, six hundred thirty-five million, two hundred twenty thousand, three hundred nine".