10209187930 has 8 divisors (see below), whose sum is σ = 18376538292. Its totient is φ = 4083675168.

The previous prime is 10209187907. The next prime is 10209187949. The reversal of 10209187930 is 3978190201.

It can be written as a sum of positive squares in 2 ways, for example, as 9241169161 + 968018769 = 96131^2 + 31113^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510459387 + ... + 510459406.

Almost surely, 2^10209187930 is an apocalyptic number.

10209187930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10209187930 is a deficient number, since it is larger than the sum of its proper divisors (8167350362).

10209187930 is a wasteful number, since it uses less digits than its factorization.

10209187930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020918800.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 10209187930 in words is "ten billion, two hundred nine million, one hundred eighty-seven thousand, nine hundred thirty".