8148454389 has 32 divisors (see below), whose sum is σ = 12415700480. Its totient is φ = 5277960000.

The previous prime is 8148454387. The next prime is 8148454409. The reversal of 8148454389 is 9834548418.

It is a happy number.

8148454389 is a `hidden beast` number, since 8 + 14 + 8 + 4 + 543 + 89 = 666.

It is not a de Polignac number, because 8148454389 - 2¹ = 8148454387 is a prime.

It is a super-2 number, since 2×8148454389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8148454387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744819 + ... + 755679.

It is an arithmetic number, because the mean of its divisors is an integer number (387990640).

Almost surely, 2^8148454389 is an apocalyptic number.

It is an amenable number.

8148454389 is a deficient number, since it is larger than the sum of its proper divisors (4267246091).

8148454389 is a wasteful number, since it uses less digits than its factorization.

8148454389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658 (or 11652 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 8148454389 is about 90268.7896728432. The cubic root of 8148454389 is about 2012.2954550752.

The spelling of 8148454389 in words is "eight billion, one hundred forty-eight million, four hundred fifty-four thousand, three hundred eighty-nine".