63694003 has 2 divisors, whose sum is σ = 63694004. Its totient is φ = 63694002.

The previous prime is 63693941. The next prime is 63694013. The reversal of 63694003 is 30049636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63694003 - 2²¹ = 61596851 is a prime.

It is not a weakly prime, because it can be changed into another prime (63694013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31847001 + 31847002.

It is an arithmetic number, because the mean of its divisors is an integer number (31847002).

Almost surely, 2^63694003 is an apocalyptic number.

63694003 is a deficient number, since it is larger than the sum of its proper divisors (1).

63694003 is an equidigital number, since it uses as much as digits as its factorization.

63694003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 63694003 is about 7980.8522727839. The cubic root of 63694003 is about 399.3614875470.

The spelling of 63694003 in words is "sixty-three million, six hundred ninety-four thousand, three".