2077521485693 has 4 divisors (see below), whose sum is σ = 2077707438108. Its totient is φ = 2077335533280.

The previous prime is 2077521485687. The next prime is 2077521485701. The reversal of 2077521485693 is 3965841257702.

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 1675360043449 + 402161442244 = 1294357^2 + 634162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077521485693 - 2⁶ = 2077521485629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077521485603) 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, 92959448 + ... + 92981793.

It is an arithmetic number, because the mean of its divisors is an integer number (519426859527).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2077521485693 = 4155042971386, but 3⋅2077521485693 = 6232564457079 is not.

Almost surely, 2^{2077521485693} is an apocalyptic number.

It is an amenable number.

2077521485693 is a deficient number, since it is larger than the sum of its proper divisors (185952415).

2077521485693 is a wasteful number, since it uses less digits than its factorization.

2077521485693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185952414.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 2077521485693 in words is "two trillion, seventy-seven billion, five hundred twenty-one million, four hundred eighty-five thousand, six hundred ninety-three".