2078563107641 has 4 divisors (see below), whose sum is σ = 2078568916212. Its totient is φ = 2078557299072.

The previous prime is 2078563107587. The next prime is 2078563107659. The reversal of 2078563107641 is 1467013658702.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1350662352400 + 727900755241 = 1162180^2 + 853171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078563107641 - 2¹⁸ = 2078562845497 is a prime.

It is a super-2 number, since 2×2078563107641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2078563107641.

It is not an unprimeable number, because it can be changed into a prime (2078563107671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329616 + ... + 3095841.

It is an arithmetic number, because the mean of its divisors is an integer number (519642229053).

Almost surely, 2^{2078563107641} is an apocalyptic number.

It is an amenable number.

2078563107641 is a deficient number, since it is larger than the sum of its proper divisors (5808571).

2078563107641 is an equidigital number, since it uses as much as digits as its factorization.

2078563107641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808570.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 2078563107641 in words is "two trillion, seventy-eight billion, five hundred sixty-three million, one hundred seven thousand, six hundred forty-one".