64754392256 has 14 divisors (see below), whose sum is σ = 128496997260. Its totient is φ = 32377196096.

The previous prime is 64754392223. The next prime is 64754392259. The reversal of 64754392256 is 65229345746.

It is a happy number.

It is a super-3 number, since 3×64754392256³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64754392198 and 64754392207.

It is not an unprimeable number, because it can be changed into a prime (64754392259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505893626 + ... + 505893753.

Almost surely, 2^64754392256 is an apocalyptic number.

It is an amenable number.

64754392256 is a deficient number, since it is larger than the sum of its proper divisors (63742605004).

64754392256 is a wasteful number, since it uses less digits than its factorization.

64754392256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011787391 (or 1011787381 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The spelling of 64754392256 in words is "sixty-four billion, seven hundred fifty-four million, three hundred ninety-two thousand, two hundred fifty-six".