473646891387 has 8 divisors (see below), whose sum is σ = 631537446736. Its totient is φ = 315760465152.

The previous prime is 473646891379. The next prime is 473646891407. The reversal of 473646891387 is 783198646374.

473646891387 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 473646891387 - 2³ = 473646891379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473646895387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753898 + ... + 1231119.

It is an arithmetic number, because the mean of its divisors is an integer number (78942180842).

Almost surely, 2^473646891387 is an apocalyptic number.

473646891387 is a deficient number, since it is larger than the sum of its proper divisors (157890555349).

473646891387 is a wasteful number, since it uses less digits than its factorization.

473646891387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064557.

The product of its digits is 146313216, while the sum is 66.

The spelling of 473646891387 in words is "four hundred seventy-three billion, six hundred forty-six million, eight hundred ninety-one thousand, three hundred eighty-seven".