47970949536 has 36 divisors (see below), whose sum is σ = 136417388562. Its totient is φ = 15990316416.

The previous prime is 47970949531. The next prime is 47970949577. The reversal of 47970949536 is 63594907974.

47970949536 is a `hidden beast` number, since 4 + 7 + 9 + 7 + 0 + 94 + 9 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24100699536 + 23870250000 = 155244^2 + 154500^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (47970949531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83282611 + ... + 83283186.

Almost surely, 2^47970949536 is an apocalyptic number.

It is an amenable number.

47970949536 is an abundant number, since it is smaller than the sum of its proper divisors (88446439026).

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

47970949536 is a wasteful number, since it uses less digits than its factorization.

47970949536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166565813 (or 166565802 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 47970949536 in words is "forty-seven billion, nine hundred seventy million, nine hundred forty-nine thousand, five hundred thirty-six".