240499739241919 has 2 divisors, whose sum is σ = 240499739241920. Its totient is φ = 240499739241918.

The previous prime is 240499739241911. The next prime is 240499739241943. The reversal of 240499739241919 is 919142937994042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240499739241919 - 2³ = 240499739241911 is a prime.

It is a super-3 number, since 3×240499739241919³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240499739241911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120249869620959 + 120249869620960.

It is an arithmetic number, because the mean of its divisors is an integer number (120249869620960).

Almost surely, 2^{240499739241919} is an apocalyptic number.

240499739241919 is a deficient number, since it is larger than the sum of its proper divisors (1).

240499739241919 is an equidigital number, since it uses as much as digits as its factorization.

240499739241919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 240499739241919 in words is "two hundred forty trillion, four hundred ninety-nine billion, seven hundred thirty-nine million, two hundred forty-one thousand, nine hundred nineteen".