5643696963465 has 72 divisors (see below), whose sum is σ = 10756700138184. Its totient is φ = 2735285414400.

The previous prime is 5643696963461. The next prime is 5643696963503.

5643696963465 is a `hidden beast` number, since 5 + 6 + 43 + 6 + 9 + 69 + 63 + 465 = 666.

5643696963465 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 2195337098889 + 3448359864576 = 1481667^2 + 1856976^2 .

It is not a de Polignac number, because 5643696963465 - 2² = 5643696963461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5643696963393 and 5643696963402.

It is not an unprimeable number, because it can be changed into a prime (5643696963461) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14051535 + ... + 14447595.

Almost surely, 2^{5643696963465} is an apocalyptic number.

5643696963465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5643696963465 is a deficient number, since it is larger than the sum of its proper divisors (5113003174719).

5643696963465 is a wasteful number, since it uses less digits than its factorization.

5643696963465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398711 (or 398697 counting only the distinct ones).

The product of its digits is 2267481600, while the sum is 72.

The spelling of 5643696963465 in words is "five trillion, six hundred forty-three billion, six hundred ninety-six million, nine hundred sixty-three thousand, four hundred sixty-five".