63195452478765 has 12 divisors (see below), whose sum is σ = 109538784296604. Its totient is φ = 33704241321984.

The previous prime is 63195452478751. The next prime is 63195452478811. The reversal of 63195452478765 is 56787425459136.

63195452478765 is a `hidden beast` number, since 6 + 3 + 1 + 9 + 545 + 2 + 4 + 7 + 8 + 76 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48540788962884 + 14654663515881 = 6967122^2 + 3828141^2 .

It is not a de Polignac number, because 63195452478765 - 2¹⁷ = 63195452347693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63195452478693 and 63195452478702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702171694164 + ... + 702171694253.

It is an arithmetic number, because the mean of its divisors is an integer number (9128232024717).

Almost surely, 2^{63195452478765} is an apocalyptic number.

It is an amenable number.

63195452478765 is a deficient number, since it is larger than the sum of its proper divisors (46343331817839).

63195452478765 is a wasteful number, since it uses less digits than its factorization.

63195452478765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404343388428 (or 1404343388425 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 72.

The spelling of 63195452478765 in words is "sixty-three trillion, one hundred ninety-five billion, four hundred fifty-two million, four hundred seventy-eight thousand, seven hundred sixty-five".