240534434993 has 2 divisors, whose sum is σ = 240534434994. Its totient is φ = 240534434992.

The previous prime is 240534434963. The next prime is 240534435073. The reversal of 240534434993 is 399434435042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141999341584 + 98535093409 = 376828^2 + 313903^2 .

It is a cyclic number.

It is not a de Polignac number, because 240534434993 - 2¹⁶ = 240534369457 is a prime.

It is not a weakly prime, because it can be changed into another prime (240534434923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120267217496 + 120267217497.

It is an arithmetic number, because the mean of its divisors is an integer number (120267217497).

Almost surely, 2^240534434993 is an apocalyptic number.

It is an amenable number.

240534434993 is a deficient number, since it is larger than the sum of its proper divisors (1).

240534434993 is an equidigital number, since it uses as much as digits as its factorization.

240534434993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 240534434993 in words is "two hundred forty billion, five hundred thirty-four million, four hundred thirty-four thousand, nine hundred ninety-three".