63195132493 has 2 divisors, whose sum is σ = 63195132494. Its totient is φ = 63195132492.

The previous prime is 63195132431. The next prime is 63195132509. The reversal of 63195132493 is 39423159136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47620841284 + 15574291209 = 218222^2 + 124797^2 .

It is a cyclic number.

It is not a de Polignac number, because 63195132493 - 2³³ = 54605197901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63195132893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31597566246 + 31597566247.

It is an arithmetic number, because the mean of its divisors is an integer number (31597566247).

Almost surely, 2^63195132493 is an apocalyptic number.

It is an amenable number.

63195132493 is a deficient number, since it is larger than the sum of its proper divisors (1).

63195132493 is an equidigital number, since it uses as much as digits as its factorization.

63195132493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The spelling of 63195132493 in words is "sixty-three billion, one hundred ninety-five million, one hundred thirty-two thousand, four hundred ninety-three".