229478783491497 has 16 divisors (see below), whose sum is σ = 307339442288640. Its totient is φ = 152302354822800.

The previous prime is 229478783491403. The next prime is 229478783491499. The reversal of 229478783491497 is 794194387874922.

It is not a de Polignac number, because 229478783491497 - 2²⁶ = 229478716382633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229478783491499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43061379 + ... + 48096152.

It is an arithmetic number, because the mean of its divisors is an integer number (19208715143040).

Almost surely, 2^{229478783491497} is an apocalyptic number.

It is an amenable number.

229478783491497 is a deficient number, since it is larger than the sum of its proper divisors (77860658797143).

229478783491497 is a wasteful number, since it uses less digits than its factorization.

229478783491497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91161284.

The product of its digits is 12290310144, while the sum is 84.

The spelling of 229478783491497 in words is "two hundred twenty-nine trillion, four hundred seventy-eight billion, seven hundred eighty-three million, four hundred ninety-one thousand, four hundred ninety-seven".