240153937873 has 2 divisors, whose sum is σ = 240153937874. Its totient is φ = 240153937872.

The previous prime is 240153937871. The next prime is 240153937957. The reversal of 240153937873 is 378739351042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149075526609 + 91078411264 = 386103^2 + 301792^2 .

It is a cyclic number.

It is not a de Polignac number, because 240153937873 - 2¹ = 240153937871 is a prime.

Together with 240153937871, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 240153937873.

It is not a weakly prime, because it can be changed into another prime (240153937871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120076968936 + 120076968937.

It is an arithmetic number, because the mean of its divisors is an integer number (120076968937).

Almost surely, 2^240153937873 is an apocalyptic number.

It is an amenable number.

240153937873 is a deficient number, since it is larger than the sum of its proper divisors (1).

240153937873 is an equidigital number, since it uses as much as digits as its factorization.

240153937873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 240153937873 in words is "two hundred forty billion, one hundred fifty-three million, nine hundred thirty-seven thousand, eight hundred seventy-three".