2199654780031 has 2 divisors, whose sum is σ = 2199654780032. Its totient is φ = 2199654780030.

The previous prime is 2199654779909. The next prime is 2199654780097. The reversal of 2199654780031 is 1300874569912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2199654780031 - 2³⁹ = 1649898966143 is a prime.

It is a super-2 number, since 2×2199654780031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199654780431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099827390015 + 1099827390016.

It is an arithmetic number, because the mean of its divisors is an integer number (1099827390016).

It is a 1-persistent number, because it is pandigital, but 2⋅2199654780031 = 4399309560062 is not.

Almost surely, 2^{2199654780031} is an apocalyptic number.

2199654780031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199654780031 is an equidigital number, since it uses as much as digits as its factorization.

2199654780031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 2199654780031 in words is "two trillion, one hundred ninety-nine billion, six hundred fifty-four million, seven hundred eighty thousand, thirty-one".