6454671655 has 4 divisors (see below), whose sum is σ = 7745605992. Its totient is φ = 5163737320.

The previous prime is 6454671653. The next prime is 6454671701. The reversal of 6454671655 is 5561764546.

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

It is not a de Polignac number, because 6454671655 - 2¹ = 6454671653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6454671599 and 6454671608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454671653) 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, 645467161 + ... + 645467170.

It is an arithmetic number, because the mean of its divisors is an integer number (1936401498).

Almost surely, 2^6454671655 is an apocalyptic number.

6454671655 is a deficient number, since it is larger than the sum of its proper divisors (1290934337).

6454671655 is a wasteful number, since it uses less digits than its factorization.

6454671655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290934336.

The product of its digits is 3024000, while the sum is 49.

The square root of 6454671655 is about 80340.9712102113. The cubic root of 6454671655 is about 1861.9072869170.

The spelling of 6454671655 in words is "six billion, four hundred fifty-four million, six hundred seventy-one thousand, six hundred fifty-five".