3654426543 has 4 divisors (see below), whose sum is σ = 4872568728. Its totient is φ = 2436284360.

The previous prime is 3654426511. The next prime is 3654426563. The reversal of 3654426543 is 3456244563.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3654426543 - 2⁵ = 3654426511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3654426495 and 3654426504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654426563) 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, 609071088 + ... + 609071093.

It is an arithmetic number, because the mean of its divisors is an integer number (1218142182).

Almost surely, 2^3654426543 is an apocalyptic number.

3654426543 is a deficient number, since it is larger than the sum of its proper divisors (1218142185).

3654426543 is a wasteful number, since it uses less digits than its factorization.

3654426543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218142184.

The product of its digits is 1036800, while the sum is 42.

The square root of 3654426543 is about 60451.8530981475. The cubic root of 3654426543 is about 1540.3038899644.

The spelling of 3654426543 in words is "three billion, six hundred fifty-four million, four hundred twenty-six thousand, five hundred forty-three".