240614645221 has 2 divisors, whose sum is σ = 240614645222. Its totient is φ = 240614645220.

The previous prime is 240614645197. The next prime is 240614645233. The reversal of 240614645221 is 122546416042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182853732996 + 57760912225 = 427614^2 + 240335^2 .

It is a cyclic number.

It is not a de Polignac number, because 240614645221 - 2²⁹ = 240077774309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240614645021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120307322610 + 120307322611.

It is an arithmetic number, because the mean of its divisors is an integer number (120307322611).

Almost surely, 2^240614645221 is an apocalyptic number.

It is an amenable number.

240614645221 is a deficient number, since it is larger than the sum of its proper divisors (1).

240614645221 is an equidigital number, since it uses as much as digits as its factorization.

240614645221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 240614645221 in words is "two hundred forty billion, six hundred fourteen million, six hundred forty-five thousand, two hundred twenty-one".