101564453245643 has 4 divisors (see below), whose sum is σ = 101646958895328. Its totient is φ = 101481947595960.

The previous prime is 101564453245609. The next prime is 101564453245663. The reversal of 101564453245643 is 346542354465101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101564453245643 - 2²⁰ = 101564452197067 is a prime.

It is a super-3 number, since 3×101564453245643³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101564453245663) 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 3 ways as a sum of consecutive naturals, for example, 41252822996 + ... + 41252825457.

It is an arithmetic number, because the mean of its divisors is an integer number (25411739723832).

Almost surely, 2^{101564453245643} is an apocalyptic number.

101564453245643 is a deficient number, since it is larger than the sum of its proper divisors (82505649685).

101564453245643 is an equidigital number, since it uses as much as digits as its factorization.

101564453245643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82505649684.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 101564453245643 in words is "one hundred one trillion, five hundred sixty-four billion, four hundred fifty-three million, two hundred forty-five thousand, six hundred forty-three".