254702873389 has 2 divisors, whose sum is σ = 254702873390. Its totient is φ = 254702873388.

The previous prime is 254702873339. The next prime is 254702873407. The reversal of 254702873389 is 983378207452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239248156900 + 15454716489 = 489130^2 + 124317^2 .

It is a cyclic number.

It is not a de Polignac number, because 254702873389 - 2¹⁵ = 254702840621 is a prime.

It is a super-2 number, since 2×254702873389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254702873339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127351436694 + 127351436695.

It is an arithmetic number, because the mean of its divisors is an integer number (127351436695).

Almost surely, 2^254702873389 is an apocalyptic number.

It is an amenable number.

254702873389 is a deficient number, since it is larger than the sum of its proper divisors (1).

254702873389 is an equidigital number, since it uses as much as digits as its factorization.

254702873389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 254702873389 in words is "two hundred fifty-four billion, seven hundred two million, eight hundred seventy-three thousand, three hundred eighty-nine".