485190900391 has 4 divisors (see below), whose sum is σ = 486087741784. Its totient is φ = 484294059000.

The previous prime is 485190900379. The next prime is 485190900419. The reversal of 485190900391 is 193009091584.

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

It is a cyclic number.

It is not a de Polignac number, because 485190900391 - 2¹⁷ = 485190769319 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 (485190900091) 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, 448419885 + ... + 448420966.

It is an arithmetic number, because the mean of its divisors is an integer number (121521935446).

Almost surely, 2^485190900391 is an apocalyptic number.

485190900391 is a deficient number, since it is larger than the sum of its proper divisors (896841393).

485190900391 is an equidigital number, since it uses as much as digits as its factorization.

485190900391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896841392.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 485190900391 in words is "four hundred eighty-five billion, one hundred ninety million, nine hundred thousand, three hundred ninety-one".