254351153993 has 2 divisors, whose sum is σ = 254351153994. Its totient is φ = 254351153992.

The previous prime is 254351153977. The next prime is 254351154049. The reversal of 254351153993 is 399351153452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253560588304 + 790565689 = 503548^2 + 28117^2 .

It is a cyclic number.

It is not a de Polignac number, because 254351153993 - 2⁴ = 254351153977 is a prime.

It is not a weakly prime, because it can be changed into another prime (254351153293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127175576996 + 127175576997.

It is an arithmetic number, because the mean of its divisors is an integer number (127175576997).

Almost surely, 2^254351153993 is an apocalyptic number.

It is an amenable number.

254351153993 is a deficient number, since it is larger than the sum of its proper divisors (1).

254351153993 is an equidigital number, since it uses as much as digits as its factorization.

254351153993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187000, while the sum is 50.

The spelling of 254351153993 in words is "two hundred fifty-four billion, three hundred fifty-one million, one hundred fifty-three thousand, nine hundred ninety-three".