63196993 has 2 divisors, whose sum is σ = 63196994. Its totient is φ = 63196992.

The previous prime is 63196979. The next prime is 63196997. The reversal of 63196993 is 39969136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52751169 + 10445824 = 7263^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 63196993 - 2⁵ = 63196961 is a prime.

It is not a weakly prime, because it can be changed into another prime (63196997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31598496 + 31598497.

It is an arithmetic number, because the mean of its divisors is an integer number (31598497).

Almost surely, 2^63196993 is an apocalyptic number.

It is an amenable number.

63196993 is a deficient number, since it is larger than the sum of its proper divisors (1).

63196993 is an equidigital number, since it uses as much as digits as its factorization.

63196993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 236196, while the sum is 46.

The square root of 63196993 is about 7949.6536402538. The cubic root of 63196993 is about 398.3200228197.

The spelling of 63196993 in words is "sixty-three million, one hundred ninety-six thousand, nine hundred ninety-three".