64051562643 has 8 divisors (see below), whose sum is σ = 90425735568. Its totient is φ = 40189215744.

The previous prime is 64051562629. The next prime is 64051562669. The reversal of 64051562643 is 34626515046.

64051562643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64051562643 - 2⁶ = 64051562579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64051562595 and 64051562604.

It is not an unprimeable number, because it can be changed into a prime (64051562683) 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, 627956446 + ... + 627956547.

It is an arithmetic number, because the mean of its divisors is an integer number (11303216946).

Almost surely, 2^64051562643 is an apocalyptic number.

64051562643 is a deficient number, since it is larger than the sum of its proper divisors (26374172925).

64051562643 is a wasteful number, since it uses less digits than its factorization.

64051562643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255913013.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 64051562643 in words is "sixty-four billion, fifty-one million, five hundred sixty-two thousand, six hundred forty-three".