485477018391 has 4 divisors (see below), whose sum is σ = 647302691192. Its totient is φ = 323651345592.

The previous prime is 485477018387. The next prime is 485477018401. The reversal of 485477018391 is 193810774584.

485477018391 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 485477018391 - 2² = 485477018387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485477018311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80912836396 + ... + 80912836401.

It is an arithmetic number, because the mean of its divisors is an integer number (161825672798).

Almost surely, 2^485477018391 is an apocalyptic number.

485477018391 is a deficient number, since it is larger than the sum of its proper divisors (161825672801).

485477018391 is a wasteful number, since it uses less digits than its factorization.

485477018391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161825672800.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 485477018391 in words is "four hundred eighty-five billion, four hundred seventy-seven million, eighteen thousand, three hundred ninety-one".