2049360499021 has 8 divisors (see below), whose sum is σ = 2235771813600. Its totient is φ = 1862966820240.

The previous prime is 2049360499019. The next prime is 2049360499063. The reversal of 2049360499021 is 1209940639402.

It is a happy number.

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 2049360499021 - 2¹ = 2049360499019 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 (2049360499091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165386 + ... + 4631323.

It is an arithmetic number, because the mean of its divisors is an integer number (279471476700).

Almost surely, 2^{2049360499021} is an apocalyptic number.

It is an amenable number.

2049360499021 is a deficient number, since it is larger than the sum of its proper divisors (186411314579).

2049360499021 is a wasteful number, since it uses less digits than its factorization.

2049360499021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817899.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 2049360499021 in words is "two trillion, forty-nine billion, three hundred sixty million, four hundred ninety-nine thousand, twenty-one".