662825706030401 has 4 divisors (see below), whose sum is σ = 701815453443972. Its totient is φ = 623835958616832.

The previous prime is 662825706030311. The next prime is 662825706030403. The reversal of 662825706030401 is 104030607528266.

It is a happy number.

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 200070274944400 + 462755431086001 = 14144620^2 + 21511751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662825706030401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 662825706030401.

It is not an unprimeable number, because it can be changed into a prime (662825706030403) 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, 19494873706760 + ... + 19494873706793.

It is an arithmetic number, because the mean of its divisors is an integer number (175453863360993).

Almost surely, 2^{662825706030401} is an apocalyptic number.

It is an amenable number.

662825706030401 is a deficient number, since it is larger than the sum of its proper divisors (38989747413571).

662825706030401 is a wasteful number, since it uses less digits than its factorization.

662825706030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38989747413570.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 662825706030401 in words is "six hundred sixty-two trillion, eight hundred twenty-five billion, seven hundred six million, thirty thousand, four hundred one".