254664473197 has 8 divisors (see below), whose sum is σ = 255518108352. Its totient is φ = 253811061600.

The previous prime is 254664473191. The next prime is 254664473201. The reversal of 254664473197 is 791374466452.

It is a happy number.

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 254664473197 - 2¹⁹ = 254663948909 is a prime.

It is a super-3 number, since 3×254664473197³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254664473191) 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, 2407297 + ... + 2510857.

It is an arithmetic number, because the mean of its divisors is an integer number (31939763544).

Almost surely, 2^254664473197 is an apocalyptic number.

It is an amenable number.

254664473197 is a deficient number, since it is larger than the sum of its proper divisors (853635155).

254664473197 is a wasteful number, since it uses less digits than its factorization.

254664473197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111779.

The product of its digits is 30481920, while the sum is 58.

The spelling of 254664473197 in words is "two hundred fifty-four billion, six hundred sixty-four million, four hundred seventy-three thousand, one hundred ninety-seven".