63140447 has 2 divisors, whose sum is σ = 63140448. Its totient is φ = 63140446.

The previous prime is 63140417. The next prime is 63140449. The reversal of 63140447 is 74404136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63140447 - 2¹⁰ = 63139423 is a prime.

Together with 63140449, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3737108 and since 63140447 and 3737108 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63140449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570223 + 31570224.

It is an arithmetic number, because the mean of its divisors is an integer number (31570224).

Almost surely, 2^63140447 is an apocalyptic number.

63140447 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140447 is an equidigital number, since it uses as much as digits as its factorization.

63140447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 63140447 is about 7946.0963371960. The cubic root of 63140447 is about 398.2011873923.

The spelling of 63140447 in words is "sixty-three million, one hundred forty thousand, four hundred forty-seven".