49509233281 has 16 divisors (see below), whose sum is σ = 50666923008. Its totient is φ = 48360312000.

The previous prime is 49509233269. The next prime is 49509233339. The reversal of 49509233281 is 18233290594.

It is a cyclic number.

It is not a de Polignac number, because 49509233281 - 2¹³ = 49509225089 is a prime.

It is a super-2 number, since 2×49509233281² (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 (49509233381) 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 15 ways as a sum of consecutive naturals, for example, 13633336 + ... + 13636966.

It is an arithmetic number, because the mean of its divisors is an integer number (3166682688).

Almost surely, 2^49509233281 is an apocalyptic number.

It is an amenable number.

49509233281 is a deficient number, since it is larger than the sum of its proper divisors (1157689727).

49509233281 is a wasteful number, since it uses less digits than its factorization.

49509233281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 49509233281 in words is "forty-nine billion, five hundred nine million, two hundred thirty-three thousand, two hundred eighty-one".