64947124451 has 8 divisors (see below), whose sum is σ = 70908150000. Its totient is φ = 58995555840.

The previous prime is 64947124427. The next prime is 64947124453. The reversal of 64947124451 is 15442174946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64947124451 - 2¹⁴ = 64947108067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64947124396 and 64947124405.

It is not an unprimeable number, because it can be changed into a prime (64947124453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349866 + ... + 2377343.

It is an arithmetic number, because the mean of its divisors is an integer number (8863518750).

Almost surely, 2^64947124451 is an apocalyptic number.

64947124451 is a deficient number, since it is larger than the sum of its proper divisors (5961025549).

64947124451 is a wasteful number, since it uses less digits than its factorization.

64947124451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728469.

The product of its digits is 967680, while the sum is 47.

The spelling of 64947124451 in words is "sixty-four billion, nine hundred forty-seven million, one hundred twenty-four thousand, four hundred fifty-one".