864454493151 has 24 divisors (see below), whose sum is σ = 1326358092384. Its totient is φ = 540658728960.

The previous prime is 864454493131. The next prime is 864454493153. The reversal of 864454493151 is 151394454468.

864454493151 is a `hidden beast` number, since 8 + 6 + 4 + 4 + 544 + 93 + 1 + 5 + 1 = 666.

It is not a de Polignac number, because 864454493151 - 2⁶ = 864454493087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864454493153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9036066 + ... + 9131231.

It is an arithmetic number, because the mean of its divisors is an integer number (55264920516).

Almost surely, 2^864454493151 is an apocalyptic number.

864454493151 is a deficient number, since it is larger than the sum of its proper divisors (461903599233).

864454493151 is a wasteful number, since it uses less digits than its factorization.

864454493151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18167631 (or 18167628 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 864454493151 in words is "eight hundred sixty-four billion, four hundred fifty-four million, four hundred ninety-three thousand, one hundred fifty-one".