47691996449 has 16 divisors (see below), whose sum is σ = 51194514432. Its totient is φ = 44312609088.

The previous prime is 47691996431. The next prime is 47691996479. The reversal of 47691996449 is 94469919674.

It is a cyclic number.

It is not a de Polignac number, because 47691996449 - 2¹² = 47691992353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47691996479) 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, 475952 + ... + 567374.

It is an arithmetic number, because the mean of its divisors is an integer number (3199657152).

Almost surely, 2^47691996449 is an apocalyptic number.

It is an amenable number.

47691996449 is a deficient number, since it is larger than the sum of its proper divisors (3502517983).

47691996449 is a wasteful number, since it uses less digits than its factorization.

47691996449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92096.

The product of its digits is 105815808, while the sum is 68.

The spelling of 47691996449 in words is "forty-seven billion, six hundred ninety-one million, nine hundred ninety-six thousand, four hundred forty-nine".