930651878209 has 3 divisors (see below), whose sum is σ = 930652842913. Its totient is φ = 930650913506.

The previous prime is 930651878183. The next prime is 930651878213. The reversal of 930651878209 is 902878156039.

The square root of 930651878209 is 964703.

It is a perfect power (a square), and thus also a powerful number.

930651878209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 930651878209 - 2³¹ = 928504394561 is a prime.

It is a super-2 number, since 2×930651878209² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (930651878269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 482352 + ... + 1447054.

Almost surely, 2^930651878209 is an apocalyptic number.

930651878209 is the 964703-rd square number.

930651878209 is the 482352-nd centered octagonal number.

It is an amenable number.

930651878209 is a deficient number, since it is larger than the sum of its proper divisors (964704).

930651878209 is an frugal number, since it uses more digits than its factorization.

930651878209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929406 (or 964703 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 930651878209 in words is "nine hundred thirty billion, six hundred fifty-one million, eight hundred seventy-eight thousand, two hundred nine".