63193195473461 has 2 divisors, whose sum is σ = 63193195473462. Its totient is φ = 63193195473460.

The previous prime is 63193195473341. The next prime is 63193195473467. The reversal of 63193195473461 is 16437459139136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39152864700625 + 24040330772836 = 6257225^2 + 4903094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63193195473461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63193195473394 and 63193195473403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63193195473467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31596597736730 + 31596597736731.

It is an arithmetic number, because the mean of its divisors is an integer number (31596597736731).

Almost surely, 2^{63193195473461} is an apocalyptic number.

It is an amenable number.

63193195473461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63193195473461 is an equidigital number, since it uses as much as digits as its factorization.

63193195473461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44089920, while the sum is 62.

The spelling of 63193195473461 in words is "sixty-three trillion, one hundred ninety-three billion, one hundred ninety-five million, four hundred seventy-three thousand, four hundred sixty-one".