463538149 has 2 divisors, whose sum is σ = 463538150. Its totient is φ = 463538148.

The previous prime is 463538147. The next prime is 463538177. The reversal of 463538149 is 941835364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448677124 + 14861025 = 21182^2 + 3855^2 .

It is a cyclic number.

It is not a de Polignac number, because 463538149 - 2¹ = 463538147 is a prime.

Together with 463538147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463538147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231769074 + 231769075.

It is an arithmetic number, because the mean of its divisors is an integer number (231769075).

Almost surely, 2^463538149 is an apocalyptic number.

It is an amenable number.

463538149 is a deficient number, since it is larger than the sum of its proper divisors (1).

463538149 is an equidigital number, since it uses as much as digits as its factorization.

463538149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 463538149 is about 21529.9361123065. The cubic root of 463538149 is about 773.9183795999.

The spelling of 463538149 in words is "four hundred sixty-three million, five hundred thirty-eight thousand, one hundred forty-nine".