10195654319 has 4 divisors (see below), whose sum is σ = 10207149744. Its totient is φ = 10184158896.

The previous prime is 10195654297. The next prime is 10195654321. The reversal of 10195654319 is 91345659101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10195654319 - 2²⁴ = 10178877103 is a prime.

It is a super-2 number, since 2×10195654319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10195654319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10195654369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5746382 + ... + 5748155.

It is an arithmetic number, because the mean of its divisors is an integer number (2551787436).

Almost surely, 2^10195654319 is an apocalyptic number.

10195654319 is a deficient number, since it is larger than the sum of its proper divisors (11495425).

10195654319 is an equidigital number, since it uses as much as digits as its factorization.

10195654319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495424.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 10195654319 in words is "ten billion, one hundred ninety-five million, six hundred fifty-four thousand, three hundred nineteen".