49686288421 has 16 divisors (see below), whose sum is σ = 62029099008. Its totient is φ = 38664990000.

The previous prime is 49686288419. The next prime is 49686288479. The reversal of 49686288421 is 12488268694.

It is a happy number.

It is not a de Polignac number, because 49686288421 - 2¹ = 49686288419 is a prime.

It is a Duffinian number.

It is a partition number, being equal to the number of ways a set of 152 identical objects can be partitioned into subset.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49686288401) 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, 371785 + ... + 487438.

It is an arithmetic number, because the mean of its divisors is an integer number (3876818688).

Almost surely, 2^49686288421 is an apocalyptic number.

It is an amenable number.

49686288421 is a deficient number, since it is larger than the sum of its proper divisors (12342810587).

49686288421 is a wasteful number, since it uses less digits than its factorization.

49686288421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859992.

The product of its digits is 10616832, while the sum is 58.

The spelling of 49686288421 in words is "forty-nine billion, six hundred eighty-six million, two hundred eighty-eight thousand, four hundred twenty-one".