254402143120547 has 2 divisors, whose sum is σ = 254402143120548. Its totient is φ = 254402143120546.

The previous prime is 254402143120439. The next prime is 254402143120553. The reversal of 254402143120547 is 745021341204452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254402143120547 - 2²⁶ = 254402076011683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254402143120498 and 254402143120507.

It is not a weakly prime, because it can be changed into another prime (254402140120547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127201071560273 + 127201071560274.

It is an arithmetic number, because the mean of its divisors is an integer number (127201071560274).

Almost surely, 2^{254402143120547} is an apocalyptic number.

254402143120547 is a deficient number, since it is larger than the sum of its proper divisors (1).

254402143120547 is an equidigital number, since it uses as much as digits as its factorization.

254402143120547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 44.

Adding to 254402143120547 its reverse (745021341204452), we get a palindrome (999423484324999).

The spelling of 254402143120547 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred forty-three million, one hundred twenty thousand, five hundred forty-seven".