49382721605 has 24 divisors (see below), whose sum is σ = 68947396992. Its totient is φ = 33855978912.

The previous prime is 49382721581. The next prime is 49382721611. The reversal of 49382721605 is 50612728394.

49382721605 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 49382721605 - 2¹² = 49382717509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49382721605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518344 + ... + 1550526.

It is an arithmetic number, because the mean of its divisors is an integer number (2872808208).

It is a 2-persistent number, because it is pandigital, and so is 2⋅49382721605 = 98765443210, but 3⋅49382721605 = 148148164815 is not.

Almost surely, 2^49382721605 is an apocalyptic number.

It is an amenable number.

49382721605 is a deficient number, since it is larger than the sum of its proper divisors (19564675387).

49382721605 is a wasteful number, since it uses less digits than its factorization.

49382721605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38465 (or 38458 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 49382721605 in words is "forty-nine billion, three hundred eighty-two million, seven hundred twenty-one thousand, six hundred five".