254214432389 has 2 divisors, whose sum is σ = 254214432390. Its totient is φ = 254214432388.

The previous prime is 254214432379. The next prime is 254214432457. The reversal of 254214432389 is 983234412452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136319716225 + 117894716164 = 369215^2 + 343358^2 .

It is a cyclic number.

It is not a de Polignac number, because 254214432389 - 2⁸ = 254214432133 is a prime.

It is a super-2 number, since 2×254214432389² (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 (254214432379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127107216194 + 127107216195.

It is an arithmetic number, because the mean of its divisors is an integer number (127107216195).

Almost surely, 2^254214432389 is an apocalyptic number.

It is an amenable number.

254214432389 is a deficient number, since it is larger than the sum of its proper divisors (1).

254214432389 is an equidigital number, since it uses as much as digits as its factorization.

254214432389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 47.

The spelling of 254214432389 in words is "two hundred fifty-four billion, two hundred fourteen million, four hundred thirty-two thousand, three hundred eighty-nine".