240000983897 has 2 divisors, whose sum is σ = 240000983898. Its totient is φ = 240000983896.

The previous prime is 240000983881. The next prime is 240000983951. The reversal of 240000983897 is 798389000042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223713864256 + 16287119641 = 472984^2 + 127621^2 .

It is a cyclic number.

It is not a de Polignac number, because 240000983897 - 2⁴ = 240000983881 is a prime.

It is not a weakly prime, because it can be changed into another prime (240000983857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120000491948 + 120000491949.

It is an arithmetic number, because the mean of its divisors is an integer number (120000491949).

Almost surely, 2^240000983897 is an apocalyptic number.

It is an amenable number.

240000983897 is a deficient number, since it is larger than the sum of its proper divisors (1).

240000983897 is an equidigital number, since it uses as much as digits as its factorization.

240000983897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 240000983897 in words is "two hundred forty billion, nine hundred eighty-three thousand, eight hundred ninety-seven".