49876821071 has 16 divisors (see below), whose sum is σ = 63700777728. Its totient is φ = 37917124800.

The previous prime is 49876821037. The next prime is 49876821149. The reversal of 49876821071 is 17012867894.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49876821071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49876821031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7896245 + ... + 7902558.

It is an arithmetic number, because the mean of its divisors is an integer number (3981298608).

Almost surely, 2^49876821071 is an apocalyptic number.

49876821071 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49876821071 is a deficient number, since it is larger than the sum of its proper divisors (13823956657).

49876821071 is a wasteful number, since it uses less digits than its factorization.

49876821071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15798862.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 49876821071 in words is "forty-nine billion, eight hundred seventy-six million, eight hundred twenty-one thousand, seventy-one".