2625377663 has 4 divisors (see below), whose sum is σ = 2626457400.
Its totient is φ = 2624297928.
The previous prime is 2625377567. The next prime is 2625377683. The reversal of 2625377663 is 3667735262.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2625377663 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 (2625377683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536213 + ... + 541086.
It is an arithmetic number, because the mean of its divisors is an integer number (656614350).
Almost surely, 22625377663 is an apocalyptic number.
2625377663 is a deficient number, since it is larger than the sum of its proper divisors (1079737).
2625377663 is a wasteful number, since it uses less digits than its factorization.
2625377663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1079736.
The product of its digits is 1905120, while the sum is 47.
The square root of 2625377663 is about 51238.4393107362.
The cubic root of 2625377663 is about 1379.5282401662.
The spelling of 2625377663 in words is "two billion, six hundred twenty-five million, three hundred seventy-seven thousand, six hundred sixty-three".