47400431849 has 16 divisors (see below), whose sum is σ = 52855649280. Its totient is φ = 42243805440.

The previous prime is 47400431833. The next prime is 47400431857. The reversal of 47400431849 is 94813400474.

It is a cyclic number.

It is not a de Polignac number, because 47400431849 - 2⁴ = 47400431833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47400451849) 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, 657272 + ... + 725814.

It is an arithmetic number, because the mean of its divisors is an integer number (3303478080).

Almost surely, 2^47400431849 is an apocalyptic number.

It is an amenable number.

47400431849 is a deficient number, since it is larger than the sum of its proper divisors (5455217431).

47400431849 is a wasteful number, since it uses less digits than its factorization.

47400431849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70720.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 47400431849 in words is "forty-seven billion, four hundred million, four hundred thirty-one thousand, eight hundred forty-nine".