207620334649 has 8 divisors (see below), whose sum is σ = 255532719680. Its totient is φ = 164271033936.

The previous prime is 207620334643. The next prime is 207620334707. The reversal of 207620334649 is 946433026702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207620334649 - 2¹⁹ = 207619810361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 207620334599 and 207620334608.

It is not an unprimeable number, because it can be changed into a prime (207620334643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140770979 + ... + 1140771160.

It is an arithmetic number, because the mean of its divisors is an integer number (31941589960).

Almost surely, 2^207620334649 is an apocalyptic number.

It is an amenable number.

207620334649 is a deficient number, since it is larger than the sum of its proper divisors (47912385031).

207620334649 is a wasteful number, since it uses less digits than its factorization.

207620334649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281542159.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 207620334649 in words is "two hundred seven billion, six hundred twenty million, three hundred thirty-four thousand, six hundred forty-nine".