19630195 has 16 divisors (see below), whose sum is σ = 25532640. Its totient is φ = 14488032.

The previous prime is 19630183. The next prime is 19630199. The reversal of 19630195 is 59103691.

It is not a de Polignac number, because 19630195 - 2¹⁵ = 19597427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19630195.

It is not an unprimeable number, because it can be changed into a prime (19630199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10092 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (1595790).

Almost surely, 2^19630195 is an apocalyptic number.

19630195 is a deficient number, since it is larger than the sum of its proper divisors (5902445).

19630195 is an equidigital number, since it uses as much as digits as its factorization.

19630195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 19630195 is about 4430.5975894906. The cubic root of 19630195 is about 269.7583342855.

The spelling of 19630195 in words is "nineteen million, six hundred thirty thousand, one hundred ninety-five".