2449721538105 has 32 divisors (see below), whose sum is σ = 3984201416448. Its totient is φ = 1285056595200.

The previous prime is 2449721538101. The next prime is 2449721538149. The reversal of 2449721538105 is 5018351279442.

2449721538105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2449721538105 - 2² = 2449721538101 is a prime.

It is a super-3 number, since 3×2449721538105³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2449721538101) 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, 2283474 + ... + 3180203.

It is an arithmetic number, because the mean of its divisors is an integer number (124506294264).

Almost surely, 2^{2449721538105} is an apocalyptic number.

It is an amenable number.

2449721538105 is a deficient number, since it is larger than the sum of its proper divisors (1534479878343).

2449721538105 is a wasteful number, since it uses less digits than its factorization.

2449721538105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464177.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2449721538105 in words is "two trillion, four hundred forty-nine billion, seven hundred twenty-one million, five hundred thirty-eight thousand, one hundred five".