47530509512 has 8 divisors (see below), whose sum is σ = 89119705350. Its totient is φ = 23765254752.

The previous prime is 47530509487. The next prime is 47530509547. The reversal of 47530509512 is 21590503574.

It can be written as a sum of positive squares in only one way, i.e., 47086396036 + 444113476 = 216994^2 + 21074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 47530509512.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2970656837 + ... + 2970656852.

Almost surely, 2^47530509512 is an apocalyptic number.

It is an amenable number.

47530509512 is a deficient number, since it is larger than the sum of its proper divisors (41589195838).

47530509512 is a wasteful number, since it uses less digits than its factorization.

47530509512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941313695 (or 5941313691 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 47530509512 in words is "forty-seven billion, five hundred thirty million, five hundred nine thousand, five hundred twelve".