52403670680689 has 4 divisors (see below), whose sum is σ = 52403686446820. Its totient is φ = 52403654914560.

The previous prime is 52403670680663. The next prime is 52403670680729. The reversal of 52403670680689 is 98608607630425.

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 32130849254464 + 20272821426225 = 5668408^2 + 4502535^2 .

It is a cyclic number.

It is not a de Polignac number, because 52403670680689 - 2⁵ = 52403670680657 is a prime.

It is a super-2 number, since 2×52403670680689² (a number of 28 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 52403670680689.

It is not an unprimeable number, because it can be changed into a prime (52403670680629) 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, 739584 + ... + 10264225.

It is an arithmetic number, because the mean of its divisors is an integer number (13100921611705).

Almost surely, 2^{52403670680689} is an apocalyptic number.

It is an amenable number.

52403670680689 is a deficient number, since it is larger than the sum of its proper divisors (15766131).

52403670680689 is a wasteful number, since it uses less digits than its factorization.

52403670680689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766130.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 52403670680689 in words is "fifty-two trillion, four hundred three billion, six hundred seventy million, six hundred eighty thousand, six hundred eighty-nine".