47474737771418 has 32 divisors (see below), whose sum is σ = 75118865581440. Its totient is φ = 22440447429120.

The previous prime is 47474737771411. The next prime is 47474737771459. The reversal of 47474737771418 is 81417773747474.

It is not an unprimeable number, because it can be changed into a prime (47474737771411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42548498 + ... + 43650018.

It is an arithmetic number, because the mean of its divisors is an integer number (2347464549420).

Almost surely, 2^{47474737771418} is an apocalyptic number.

47474737771418 is a deficient number, since it is larger than the sum of its proper divisors (27644127810022).

47474737771418 is a wasteful number, since it uses less digits than its factorization.

47474737771418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103942.

The product of its digits is 722835456, while the sum is 71.

The spelling of 47474737771418 in words is "forty-seven trillion, four hundred seventy-four billion, seven hundred thirty-seven million, seven hundred seventy-one thousand, four hundred eighteen".