8551430464 has 14 divisors (see below), whose sum is σ = 16969244954. Its totient is φ = 4275715200.

The previous prime is 8551430449. The next prime is 8551430467. The reversal of 8551430464 is 4640341558.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7922424064 + 629006400 = 89008^2 + 25080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8551430467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66807987 + ... + 66808114.

Almost surely, 2^8551430464 is an apocalyptic number.

It is an amenable number.

8551430464 is a deficient number, since it is larger than the sum of its proper divisors (8417814490).

8551430464 is a wasteful number, since it uses less digits than its factorization.

8551430464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133616113 (or 133616103 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 8551430464 is about 92473.9447844635. The cubic root of 8551430464 is about 2044.9353832481.

The spelling of 8551430464 in words is "eight billion, five hundred fifty-one million, four hundred thirty thousand, four hundred sixty-four".