264401241230389 has 2 divisors, whose sum is σ = 264401241230390. Its totient is φ = 264401241230388.

The previous prime is 264401241230377. The next prime is 264401241230509. The reversal of 264401241230389 is 983032142104462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153102264902500 + 111298976327889 = 12373450^2 + 10549833^2 .

It is a cyclic number.

It is not a de Polignac number, because 264401241230389 - 2²⁷ = 264401107012661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264401241230339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132200620615194 + 132200620615195.

It is an arithmetic number, because the mean of its divisors is an integer number (132200620615195).

Almost surely, 2^{264401241230389} is an apocalyptic number.

It is an amenable number.

264401241230389 is a deficient number, since it is larger than the sum of its proper divisors (1).

264401241230389 is an equidigital number, since it uses as much as digits as its factorization.

264401241230389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 264401241230389 in words is "two hundred sixty-four trillion, four hundred one billion, two hundred forty-one million, two hundred thirty thousand, three hundred eighty-nine".