240437749249 has 2 divisors, whose sum is σ = 240437749250. Its totient is φ = 240437749248.

The previous prime is 240437749231. The next prime is 240437749261. The reversal of 240437749249 is 942947734042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125364148624 + 115073600625 = 354068^2 + 339225^2 .

It is a cyclic number.

It is not a de Polignac number, because 240437749249 - 2¹³ = 240437741057 is a prime.

It is a super-2 number, since 2×240437749249² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240437749249.

It is not a weakly prime, because it can be changed into another prime (240437749229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120218874624 + 120218874625.

It is an arithmetic number, because the mean of its divisors is an integer number (120218874625).

Almost surely, 2^240437749249 is an apocalyptic number.

It is an amenable number.

240437749249 is a deficient number, since it is larger than the sum of its proper divisors (1).

240437749249 is an equidigital number, since it uses as much as digits as its factorization.

240437749249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 240437749249 in words is "two hundred forty billion, four hundred thirty-seven million, seven hundred forty-nine thousand, two hundred forty-nine".