6454631771 has 6 divisors (see below), whose sum is σ = 7508449260. Its totient is φ = 5532541476.

The previous prime is 6454631747. The next prime is 6454631783. The reversal of 6454631771 is 1771364546.

It is not a de Polignac number, because 6454631771 - 2¹⁰ = 6454630747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6454631171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65863541 + ... + 65863638.

It is an arithmetic number, because the mean of its divisors is an integer number (1251408210).

Almost surely, 2^6454631771 is an apocalyptic number.

6454631771 is a deficient number, since it is larger than the sum of its proper divisors (1053817489).

6454631771 is a wasteful number, since it uses less digits than its factorization.

6454631771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131727193 (or 131727186 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 6454631771 is about 80340.7229927638. The cubic root of 6454631771 is about 1861.9034519445.

The spelling of 6454631771 in words is "six billion, four hundred fifty-four million, six hundred thirty-one thousand, seven hundred seventy-one".