254436993607 has 2 divisors, whose sum is σ = 254436993608. Its totient is φ = 254436993606.

The previous prime is 254436993593. The next prime is 254436993617. The reversal of 254436993607 is 706399634452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254436993607 - 2¹⁹ = 254436469319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254436993617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127218496803 + 127218496804.

It is an arithmetic number, because the mean of its divisors is an integer number (127218496804).

Almost surely, 2^254436993607 is an apocalyptic number.

254436993607 is a deficient number, since it is larger than the sum of its proper divisors (1).

254436993607 is an equidigital number, since it uses as much as digits as its factorization.

254436993607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 254436993607 in words is "two hundred fifty-four billion, four hundred thirty-six million, nine hundred ninety-three thousand, six hundred seven".