3656541463 has 4 divisors (see below), whose sum is σ = 3672235008. Its totient is φ = 3640847920.

The previous prime is 3656541439. The next prime is 3656541467. The reversal of 3656541463 is 3641456563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3641456563 = 4999 ⋅728437.

It is a cyclic number.

It is not a de Polignac number, because 3656541463 - 2¹³ = 3656533271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656541467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7846423 + ... + 7846888.

It is an arithmetic number, because the mean of its divisors is an integer number (918058752).

Almost surely, 2^3656541463 is an apocalyptic number.

3656541463 is a deficient number, since it is larger than the sum of its proper divisors (15693545).

3656541463 is a wasteful number, since it uses less digits than its factorization.

3656541463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15693544.

The product of its digits is 777600, while the sum is 43.

The square root of 3656541463 is about 60469.3431665997. The cubic root of 3656541463 is about 1540.6009718040.

The spelling of 3656541463 in words is "three billion, six hundred fifty-six million, five hundred forty-one thousand, four hundred sixty-three".