63849427 has 2 divisors, whose sum is σ = 63849428. Its totient is φ = 63849426.

The previous prime is 63849421. The next prime is 63849437. The reversal of 63849427 is 72494836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63849427 - 2³ = 63849419 is a prime.

It is not a weakly prime, because it can be changed into another prime (63849421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31924713 + 31924714.

It is an arithmetic number, because the mean of its divisors is an integer number (31924714).

Almost surely, 2^63849427 is an apocalyptic number.

63849427 is a deficient number, since it is larger than the sum of its proper divisors (1).

63849427 is an equidigital number, since it uses as much as digits as its factorization.

63849427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 63849427 is about 7990.5836457671. The cubic root of 63849427 is about 399.6860599185.

The spelling of 63849427 in words is "sixty-three million, eight hundred forty-nine thousand, four hundred twenty-seven".