47253735018 has 64 divisors (see below), whose sum is σ = 122273867520. Its totient is φ = 13246324416.

The previous prime is 47253735013. The next prime is 47253735029. The reversal of 47253735018 is 81053735274.

47253735018 is a `hidden beast` number, since 4 + 72 + 5 + 3 + 73 + 501 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47253735013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159305 + ... + 1199372.

It is an arithmetic number, because the mean of its divisors is an integer number (1910529180).

Almost surely, 2^47253735018 is an apocalyptic number.

47253735018 is an abundant number, since it is smaller than the sum of its proper divisors (75020132502).

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

47253735018 is a wasteful number, since it uses less digits than its factorization.

47253735018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358748 (or 2358742 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 47253735018 in words is "forty-seven billion, two hundred fifty-three million, seven hundred thirty-five thousand, eighteen".