9750390985 has 16 divisors (see below), whose sum is σ = 11772645120. Its totient is φ = 7752326400.

The previous prime is 9750390901. The next prime is 9750391031. The reversal of 9750390985 is 5890930579.

It is not a de Polignac number, because 9750390985 - 2⁷ = 9750390857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617185 + ... + 632785.

It is an arithmetic number, because the mean of its divisors is an integer number (735790320).

Almost surely, 2^9750390985 is an apocalyptic number.

It is an amenable number.

9750390985 is a deficient number, since it is larger than the sum of its proper divisors (2022254135).

9750390985 is a wasteful number, since it uses less digits than its factorization.

9750390985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The square root of 9750390985 is about 98744.0681003168. The cubic root of 9750390985 is about 2136.3578967998.

The spelling of 9750390985 in words is "nine billion, seven hundred fifty million, three hundred ninety thousand, nine hundred eighty-five".