47991532502 has 8 divisors (see below), whose sum is σ = 73932901536. Its totient is φ = 23347231992.

The previous prime is 47991532483. The next prime is 47991532513. The reversal of 47991532502 is 20523519974.

47991532502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324267038 + ... + 324267185.

It is an arithmetic number, because the mean of its divisors is an integer number (9241612692).

Almost surely, 2^47991532502 is an apocalyptic number.

47991532502 is a deficient number, since it is larger than the sum of its proper divisors (25941369034).

47991532502 is a wasteful number, since it uses less digits than its factorization.

47991532502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648534262.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 47991532502 in words is "forty-seven billion, nine hundred ninety-one million, five hundred thirty-two thousand, five hundred two".