64151562443 has 16 divisors (see below), whose sum is σ = 66940473600. Its totient is φ = 61431488160.

The previous prime is 64151562439. The next prime is 64151562463. The reversal of 64151562443 is 34426515146.

It is a cyclic number.

It is not a de Polignac number, because 64151562443 - 2² = 64151562439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64151562443.

It is not an unprimeable number, because it can be changed into a prime (64151562463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487793 + ... + 605181.

It is an arithmetic number, because the mean of its divisors is an integer number (4183779600).

Almost surely, 2^64151562443 is an apocalyptic number.

64151562443 is a deficient number, since it is larger than the sum of its proper divisors (2788911157).

64151562443 is a wasteful number, since it uses less digits than its factorization.

64151562443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117682.

The product of its digits is 345600, while the sum is 41.

The spelling of 64151562443 in words is "sixty-four billion, one hundred fifty-one million, five hundred sixty-two thousand, four hundred forty-three".