2101409545249 has 8 divisors (see below), whose sum is σ = 2401631588160. Its totient is φ = 1801192672176.

The previous prime is 2101409545241. The next prime is 2101409545267. The reversal of 2101409545249 is 9425459041012.

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 2101409545249 - 2³ = 2101409545241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101409545199 and 2101409545208.

It is not an unprimeable number, because it can be changed into a prime (2101409545241) 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, 378334 + ... + 2084695.

It is an arithmetic number, because the mean of its divisors is an integer number (300203948520).

Almost surely, 2^{2101409545249} is an apocalyptic number.

It is an amenable number.

2101409545249 is a deficient number, since it is larger than the sum of its proper divisors (300222042911).

2101409545249 is a wasteful number, since it uses less digits than its factorization.

2101409545249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584919.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 2101409545249 in words is "two trillion, one hundred one billion, four hundred nine million, five hundred forty-five thousand, two hundred forty-nine".