3605049542591 has 8 divisors (see below), whose sum is σ = 4120068982944. Its totient is φ = 3090033192960.

The previous prime is 3605049542581. The next prime is 3605049542629. The reversal of 3605049542591 is 1952459405063.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-3605049542591 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 (3605049542581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874431 + ... + 3933503.

It is an arithmetic number, because the mean of its divisors is an integer number (515008622868).

Almost surely, 2^{3605049542591} is an apocalyptic number.

3605049542591 is a deficient number, since it is larger than the sum of its proper divisors (515019440353).

3605049542591 is a wasteful number, since it uses less digits than its factorization.

3605049542591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545361.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 3605049542591 in words is "three trillion, six hundred five billion, forty-nine million, five hundred forty-two thousand, five hundred ninety-one".