4231154269649 has 2 divisors, whose sum is σ = 4231154269650. Its totient is φ = 4231154269648.

The previous prime is 4231154269633. The next prime is 4231154269687. The reversal of 4231154269649 is 9469624511324.

It is a happy number.

4231154269649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4218681847249 + 12472422400 = 2053943^2 + 111680^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231154269649 - 2⁴ = 4231154269633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4231154269594 and 4231154269603.

It is not a weakly prime, because it can be changed into another prime (4231154269609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115577134824 + 2115577134825.

It is an arithmetic number, because the mean of its divisors is an integer number (2115577134825).

Almost surely, 2^{4231154269649} is an apocalyptic number.

It is an amenable number.

4231154269649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231154269649 is an equidigital number, since it uses as much as digits as its factorization.

4231154269649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 56.

The spelling of 4231154269649 in words is "four trillion, two hundred thirty-one billion, one hundred fifty-four million, two hundred sixty-nine thousand, six hundred forty-nine".