19895949202213 has 24 divisors (see below), whose sum is σ = 23363804993760. Its totient is φ = 16892002764000.

The previous prime is 19895949202187. The next prime is 19895949202273. The reversal of 19895949202213 is 31220294959891.

It is not a de Polignac number, because 19895949202213 - 2⁹ = 19895949201701 is a prime.

It is a super-2 number, since 2×19895949202213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19895949202273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16790670 + ... + 17936512.

It is an arithmetic number, because the mean of its divisors is an integer number (973491874740).

Almost surely, 2^{19895949202213} is an apocalyptic number.

It is an amenable number.

19895949202213 is a deficient number, since it is larger than the sum of its proper divisors (3467855791547).

19895949202213 is a wasteful number, since it uses less digits than its factorization.

19895949202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149217 (or 1149210 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 19895949202213 in words is "nineteen trillion, eight hundred ninety-five billion, nine hundred forty-nine million, two hundred two thousand, two hundred thirteen".