8539393154 has 4 divisors (see below), whose sum is σ = 12809089734. Its totient is φ = 4269696576.

The previous prime is 8539393141. The next prime is 8539393229. The reversal of 8539393154 is 4513939358.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7693921225 + 845471929 = 87715^2 + 29077^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2134848287 + ... + 2134848290.

Almost surely, 2^8539393154 is an apocalyptic number.

8539393154 is a deficient number, since it is larger than the sum of its proper divisors (4269696580).

8539393154 is a wasteful number, since it uses less digits than its factorization.

8539393154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269696579.

The product of its digits is 1749600, while the sum is 50.

The square root of 8539393154 is about 92408.8369908420. The cubic root of 8539393154 is about 2043.9754237736.

The spelling of 8539393154 in words is "eight billion, five hundred thirty-nine million, three hundred ninety-three thousand, one hundred fifty-four".