49252975369 has 8 divisors (see below), whose sum is σ = 54870689160. Its totient is φ = 43896550656.

The previous prime is 49252975357. The next prime is 49252975391. The reversal of 49252975369 is 96357925294.

It can be written as a sum of positive squares in 4 ways, for example, as 10072731769 + 39180243600 = 100363^2 + 197940^2 .

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 49252975369 - 2¹³ = 49252967177 is a prime.

It is a super-2 number, since 2×49252975369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49252975769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65321872 + ... + 65322625.

It is an arithmetic number, because the mean of its divisors is an integer number (6858836145).

Almost surely, 2^49252975369 is an apocalyptic number.

It is an amenable number.

49252975369 is a deficient number, since it is larger than the sum of its proper divisors (5617713791).

49252975369 is a wasteful number, since it uses less digits than its factorization.

49252975369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130644539.

The product of its digits is 36741600, while the sum is 61.

The spelling of 49252975369 in words is "forty-nine billion, two hundred fifty-two million, nine hundred seventy-five thousand, three hundred sixty-nine".