63974011 has 2 divisors, whose sum is σ = 63974012. Its totient is φ = 63974010.

The previous prime is 63973991. The next prime is 63974023. The reversal of 63974011 is 11047936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63974011 - 2⁵ = 63973979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63974081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31987005 + 31987006.

It is an arithmetic number, because the mean of its divisors is an integer number (31987006).

Almost surely, 2^63974011 is an apocalyptic number.

63974011 is a deficient number, since it is larger than the sum of its proper divisors (1).

63974011 is an equidigital number, since it uses as much as digits as its factorization.

63974011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 63974011 is about 7998.3755225671. The cubic root of 63974011 is about 399.9458489195.

The spelling of 63974011 in words is "sixty-three million, nine hundred seventy-four thousand, eleven".