945908690 has 16 divisors (see below), whose sum is σ = 1711195200. Its totient is φ = 376461360.

The previous prime is 945908683. The next prime is 945908701. The reversal of 945908690 is 96809549.

945908690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×945908690² = 1789486499635032200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235676 + ... + 239655.

It is an arithmetic number, because the mean of its divisors is an integer number (106949700).

Almost surely, 2^945908690 is an apocalyptic number.

945908690 is a deficient number, since it is larger than the sum of its proper divisors (765286510).

945908690 is a wasteful number, since it uses less digits than its factorization.

945908690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475537.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 945908690 is about 30755.6285905523. The cubic root of 945908690 is about 981.6343304141.

The spelling of 945908690 in words is "nine hundred forty-five million, nine hundred eight thousand, six hundred ninety".