64547026412 has 24 divisors (see below), whose sum is σ = 123671024400. Its totient is φ = 29233632960.

The previous prime is 64547026403. The next prime is 64547026421. The reversal of 64547026412 is 21462074546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64547026403) and next prime (64547026421).

It is a self number, because there is not a number n which added to its sum of digits gives 64547026412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635787 + ... + 2660162.

It is an arithmetic number, because the mean of its divisors is an integer number (5152959350).

Almost surely, 2^64547026412 is an apocalyptic number.

It is an amenable number.

64547026412 is a deficient number, since it is larger than the sum of its proper divisors (59123997988).

64547026412 is a wasteful number, since it uses less digits than its factorization.

64547026412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296241 (or 5296239 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 64547026412 in words is "sixty-four billion, five hundred forty-seven million, twenty-six thousand, four hundred twelve".