10207749985 has 8 divisors (see below), whose sum is σ = 12251954880. Its totient is φ = 8164430064.

The previous prime is 10207749983. The next prime is 10207749997. The reversal of 10207749985 is 58994770201.

10207749985 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 10207749985 - 2¹ = 10207749983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10207749983) 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, 195595 + ... + 242224.

It is an arithmetic number, because the mean of its divisors is an integer number (1531494360).

Almost surely, 2^10207749985 is an apocalyptic number.

It is an amenable number.

10207749985 is a deficient number, since it is larger than the sum of its proper divisors (2044204895).

10207749985 is an equidigital number, since it uses as much as digits as its factorization.

10207749985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442487.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 10207749985 in words is "ten billion, two hundred seven million, seven hundred forty-nine thousand, nine hundred eighty-five".