6354656489 has 4 divisors (see below), whose sum is σ = 6559645440. Its totient is φ = 6149667540.

The previous prime is 6354656447. The next prime is 6354656527. The reversal of 6354656489 is 9846564536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6354656489 - 2¹² = 6354652393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6354658489) 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, 102494429 + ... + 102494490.

It is an arithmetic number, because the mean of its divisors is an integer number (1639911360).

Almost surely, 2^6354656489 is an apocalyptic number.

It is an amenable number.

6354656489 is a deficient number, since it is larger than the sum of its proper divisors (204988951).

6354656489 is a wasteful number, since it uses less digits than its factorization.

6354656489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204988950.

The product of its digits is 18662400, while the sum is 56.

The square root of 6354656489 is about 79716.0993087344. The cubic root of 6354656489 is about 1852.2404304233.

The spelling of 6354656489 in words is "six billion, three hundred fifty-four million, six hundred fifty-six thousand, four hundred eighty-nine".