8454389697 has 24 divisors (see below), whose sum is σ = 13924880424. Its totient is φ = 4896658944.

The previous prime is 8454389677. The next prime is 8454389717. The reversal of 8454389697 is 7969834548.

8454389697 is a `hidden beast` number, since 8 + 4 + 543 + 89 + 6 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (8454389677) and next prime (8454389717).

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 8453699136 = 831^2 + 91944^2 .

It is not a de Polignac number, because 8454389697 - 2⁸ = 8454389441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8454389617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2123298 + ... + 2127275.

It is an arithmetic number, because the mean of its divisors is an integer number (580203351).

Almost surely, 2^8454389697 is an apocalyptic number.

It is an amenable number.

8454389697 is a deficient number, since it is larger than the sum of its proper divisors (5470490727).

8454389697 is a wasteful number, since it uses less digits than its factorization.

8454389697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250609 (or 4250606 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 8454389697 is about 91947.7552580812. The cubic root of 8454389697 is about 2037.1706979169.

The spelling of 8454389697 in words is "eight billion, four hundred fifty-four million, three hundred eighty-nine thousand, six hundred ninety-seven".