47390408849 has 12 divisors (see below), whose sum is σ = 55181147328. Its totient is φ = 40580908200.

The previous prime is 47390408771. The next prime is 47390408873. The reversal of 47390408849 is 94880409374.

It is a de Polignac number, because none of the positive numbers 2^k-47390408849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47390408794 and 47390408803.

It is not an unprimeable number, because it can be changed into a prime (47390408249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418517 + ... + 519554.

It is an arithmetic number, because the mean of its divisors is an integer number (4598428944).

Almost surely, 2^47390408849 is an apocalyptic number.

47390408849 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

47390408849 is a deficient number, since it is larger than the sum of its proper divisors (7790738479).

47390408849 is a wasteful number, since it uses less digits than its factorization.

47390408849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939116 (or 939109 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 47390408849 in words is "forty-seven billion, three hundred ninety million, four hundred eight thousand, eight hundred forty-nine".