64343296154 has 4 divisors (see below), whose sum is σ = 96514944234. Its totient is φ = 32171648076.

The previous prime is 64343296151. The next prime is 64343296163. The reversal of 64343296154 is 45169234346.

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., 61983571225 + 2359724929 = 248965^2 + 48577^2 .

It is a super-2 number, since 2×64343296154² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64343296099 and 64343296108.

It is not an unprimeable number, because it can be changed into a prime (64343296151) 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 as a sum of consecutive naturals, namely, 16085824037 + ... + 16085824040.

Almost surely, 2^64343296154 is an apocalyptic number.

64343296154 is a deficient number, since it is larger than the sum of its proper divisors (32171648080).

64343296154 is a wasteful number, since it uses less digits than its factorization.

64343296154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32171648079.

The product of its digits is 1866240, while the sum is 47.

The spelling of 64343296154 in words is "sixty-four billion, three hundred forty-three million, two hundred ninety-six thousand, one hundred fifty-four".