10195491250 has 60 divisors (see below), whose sum is σ = 22230632358. Its totient is φ = 3495576000.

The previous prime is 10195491239. The next prime is 10195491259. The reversal of 10195491250 is 5219459101.

It can be written as a sum of positive squares in 5 ways, for example, as 64464841 + 10131026409 = 8029^2 + 100653^2 .

It is not an unprimeable number, because it can be changed into a prime (10195491259) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 21979 + ... + 144478.

Almost surely, 2^10195491250 is an apocalyptic number.

10195491250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10195491250 is an abundant number, since it is smaller than the sum of its proper divisors (12035141108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10195491250 is an equidigital number, since it uses as much as digits as its factorization.

10195491250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166493 (or 166471 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 10195491250 in words is "ten billion, one hundred ninety-five million, four hundred ninety-one thousand, two hundred fifty".