2049149209752 has 80 divisors (see below), whose sum is σ = 6041594928600. Its totient is φ = 647099746560.

The previous prime is 2049149209717. The next prime is 2049149209759. The reversal of 2049149209752 is 2579029419402.

It is a happy number.

2049149209752 is a `hidden beast` number, since 2 + 0 + 491 + 49 + 20 + 97 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049149209759) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83205249 + ... + 83229872.

Almost surely, 2^{2049149209752} is an apocalyptic number.

It is an amenable number.

2049149209752 is an abundant number, since it is smaller than the sum of its proper divisors (3992445718848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049149209752 is a wasteful number, since it uses less digits than its factorization.

2049149209752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166435158 (or 166435145 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 2049149209752 in words is "two trillion, forty-nine billion, one hundred forty-nine million, two hundred nine thousand, seven hundred fifty-two".