49651420447 has 24 divisors (see below), whose sum is σ = 54549135360. Its totient is φ = 45156558720.

The previous prime is 49651420439. The next prime is 49651420477. The reversal of 49651420447 is 74402415694.

It is not a de Polignac number, because 49651420447 - 2³ = 49651420439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49651420397 and 49651420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49651420477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049922 + ... + 1096192.

It is an arithmetic number, because the mean of its divisors is an integer number (2272880640).

Almost surely, 2^49651420447 is an apocalyptic number.

49651420447 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

49651420447 is a deficient number, since it is larger than the sum of its proper divisors (4897714913).

49651420447 is a wasteful number, since it uses less digits than its factorization.

49651420447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46431 (or 46414 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

It can be divided in two parts, 496514 and 20447, that added together give a square (516961 = 719²).

The spelling of 49651420447 in words is "forty-nine billion, six hundred fifty-one million, four hundred twenty thousand, four hundred forty-seven".