627647949937 has 4 divisors (see below), whose sum is σ = 633513818736. Its totient is φ = 621782081140.

The previous prime is 627647949881. The next prime is 627647949967. The reversal of 627647949937 is 739949746726.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739949746726 = 2 ⋅369974873363.

It is a cyclic number.

It is not a de Polignac number, because 627647949937 - 2⁷ = 627647949809 is a prime.

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 627647949937.

It is not an unprimeable number, because it can be changed into a prime (627647949967) 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, 2932934239 + ... + 2932934452.

It is an arithmetic number, because the mean of its divisors is an integer number (158378454684).

Almost surely, 2^627647949937 is an apocalyptic number.

It is an amenable number.

627647949937 is a deficient number, since it is larger than the sum of its proper divisors (5865868799).

627647949937 is a wasteful number, since it uses less digits than its factorization.

627647949937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865868798.

The product of its digits is 864162432, while the sum is 73.

The spelling of 627647949937 in words is "six hundred twenty-seven billion, six hundred forty-seven million, nine hundred forty-nine thousand, nine hundred thirty-seven".