2203910195813 has 2 divisors, whose sum is σ = 2203910195814. Its totient is φ = 2203910195812.

The previous prime is 2203910195717. The next prime is 2203910195869. The reversal of 2203910195813 is 3185910193022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1394021791969 + 809888403844 = 1180687^2 + 899938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203910195813 - 2¹⁸ = 2203909933669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203910195713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101955097906 + 1101955097907.

It is an arithmetic number, because the mean of its divisors is an integer number (1101955097907).

Almost surely, 2^{2203910195813} is an apocalyptic number.

It is an amenable number.

2203910195813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203910195813 is an equidigital number, since it uses as much as digits as its factorization.

2203910195813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 2203910195813 in words is "two trillion, two hundred three billion, nine hundred ten million, one hundred ninety-five thousand, eight hundred thirteen".