183481395997 has 8 divisors (see below), whose sum is σ = 184250277432. Its totient is φ = 182713843200.

The previous prime is 183481395919. The next prime is 183481396009. The reversal of 183481395997 is 799593184381.

It can be written as a sum of positive squares in 4 ways, for example, as 7501984996 + 175979411001 = 86614^2 + 419499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 183481395997 - 2⁷ = 183481395869 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 (183481390997) 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, 54904 + ... + 608257.

It is an arithmetic number, because the mean of its divisors is an integer number (23031284679).

Almost surely, 2^183481395997 is an apocalyptic number.

It is an amenable number.

183481395997 is a deficient number, since it is larger than the sum of its proper divisors (768881435).

183481395997 is an equidigital number, since it uses as much as digits as its factorization.

183481395997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664319.

The product of its digits is 58786560, while the sum is 67.

The spelling of 183481395997 in words is "one hundred eighty-three billion, four hundred eighty-one million, three hundred ninety-five thousand, nine hundred ninety-seven".