470846717638 has 16 divisors (see below), whose sum is σ = 788394505536. Its totient is φ = 209043996840.

The previous prime is 470846717609. The next prime is 470846717657. The reversal of 470846717638 is 836717648074.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248860956 + ... + 248862847.

It is an arithmetic number, because the mean of its divisors is an integer number (49274656596).

Almost surely, 2^470846717638 is an apocalyptic number.

470846717638 is a deficient number, since it is larger than the sum of its proper divisors (317547787898).

470846717638 is a wasteful number, since it uses less digits than its factorization.

470846717638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497723859.

The product of its (nonzero) digits is 37933056, while the sum is 61.

The spelling of 470846717638 in words is "four hundred seventy billion, eight hundred forty-six million, seven hundred seventeen thousand, six hundred thirty-eight".