245483544491 has 4 divisors (see below), whose sum is σ = 245525678952. Its totient is φ = 245441410032.

The previous prime is 245483544487. The next prime is 245483544539. The reversal of 245483544491 is 194445384542.

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 245483544491 - 2² = 245483544487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245483544421) 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, 21058490 + ... + 21070143.

It is an arithmetic number, because the mean of its divisors is an integer number (61381419738).

Almost surely, 2^245483544491 is an apocalyptic number.

245483544491 is a deficient number, since it is larger than the sum of its proper divisors (42134461).

245483544491 is an equidigital number, since it uses as much as digits as its factorization.

245483544491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42134460.

The product of its digits is 11059200, while the sum is 53.

The spelling of 245483544491 in words is "two hundred forty-five billion, four hundred eighty-three million, five hundred forty-four thousand, four hundred ninety-one".