47509358920 has 16 divisors (see below), whose sum is σ = 106896057660. Its totient is φ = 19003743552.

The previous prime is 47509358879. The next prime is 47509358921. The reversal of 47509358920 is 2985390574.

It can be written as a sum of positive squares in 2 ways, for example, as 44385219684 + 3124139236 = 210678^2 + 55894^2 .

It is not an unprimeable number, because it can be changed into a prime (47509358921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593866947 + ... + 593867026.

Almost surely, 2^47509358920 is an apocalyptic number.

47509358920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47509358920 is an abundant number, since it is smaller than the sum of its proper divisors (59386698740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47509358920 is a wasteful number, since it uses less digits than its factorization.

47509358920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187733984 (or 1187733980 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 47509358920 in words is "forty-seven billion, five hundred nine million, three hundred fifty-eight thousand, nine hundred twenty".