47738473018 has 32 divisors (see below), whose sum is σ = 75545686800. Its totient is φ = 22590038016.

The previous prime is 47738473001. The next prime is 47738473031. The reversal of 47738473018 is 81037483774.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39234497929 + 8503975089 = 198077^2 + 92217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3537588 + ... + 3551056.

Almost surely, 2^47738473018 is an apocalyptic number.

47738473018 is a deficient number, since it is larger than the sum of its proper divisors (27807213782).

47738473018 is a wasteful number, since it uses less digits than its factorization.

47738473018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14706.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 47738473018 in words is "forty-seven billion, seven hundred thirty-eight million, four hundred seventy-three thousand, eighteen".