49372875581 has 8 divisors (see below), whose sum is σ = 52217762400. Its totient is φ = 46552620240.

The previous prime is 49372875577. The next prime is 49372875599. The reversal of 49372875581 is 18557827394.

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 49372875581 - 2² = 49372875577 is a prime.

It is a super-2 number, since 2×49372875581² (a number of 22 digits) contains 22 as substring.

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 49372875581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49372875571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153746 + ... + 6161763.

It is an arithmetic number, because the mean of its divisors is an integer number (6527220300).

Almost surely, 2^49372875581 is an apocalyptic number.

It is an amenable number.

49372875581 is a deficient number, since it is larger than the sum of its proper divisors (2844886819).

49372875581 is a wasteful number, since it uses less digits than its factorization.

49372875581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315739.

The product of its digits is 16934400, while the sum is 59.

The spelling of 49372875581 in words is "forty-nine billion, three hundred seventy-two million, eight hundred seventy-five thousand, five hundred eighty-one".