254666122047 has 24 divisors (see below), whose sum is σ = 383917139424. Its totient is φ = 162365094144.

The previous prime is 254666122003. The next prime is 254666122049. The reversal of 254666122047 is 740221666452.

It is a de Polignac number, because none of the positive numbers 2^k-254666122047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254666121993 and 254666122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254666122049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007763 + ... + 1234875.

It is an arithmetic number, because the mean of its divisors is an integer number (15996547476).

Almost surely, 2^254666122047 is an apocalyptic number.

254666122047 is a deficient number, since it is larger than the sum of its proper divisors (129251017377).

254666122047 is a wasteful number, since it uses less digits than its factorization.

254666122047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232559 (or 232556 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

Adding to 254666122047 its reverse (740221666452), we get a palindrome (994887788499).

The spelling of 254666122047 in words is "two hundred fifty-four billion, six hundred sixty-six million, one hundred twenty-two thousand, forty-seven".