241690766389 has 2 divisors, whose sum is σ = 241690766390. Its totient is φ = 241690766388.

The previous prime is 241690766377. The next prime is 241690766417. The reversal of 241690766389 is 983667096142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201111887025 + 40578879364 = 448455^2 + 201442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241690766389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241690766689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120845383194 + 120845383195.

It is an arithmetic number, because the mean of its divisors is an integer number (120845383195).

Almost surely, 2^241690766389 is an apocalyptic number.

It is an amenable number.

241690766389 is a deficient number, since it is larger than the sum of its proper divisors (1).

241690766389 is an equidigital number, since it uses as much as digits as its factorization.

241690766389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 241690766389 in words is "two hundred forty-one billion, six hundred ninety million, seven hundred sixty-six thousand, three hundred eighty-nine".