2190546913 has 2 divisors, whose sum is σ = 2190546914. Its totient is φ = 2190546912.

The previous prime is 2190546881. The next prime is 2190546931. The reversal of 2190546913 is 3196450912.

Together with next prime (2190546931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2020322704 + 170224209 = 44948^2 + 13047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190546913 - 2⁵ = 2190546881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190546983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095273456 + 1095273457.

It is an arithmetic number, because the mean of its divisors is an integer number (1095273457).

Almost surely, 2^2190546913 is an apocalyptic number.

It is an amenable number.

2190546913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190546913 is an equidigital number, since it uses as much as digits as its factorization.

2190546913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2190546913 is about 46803.2788701817. The cubic root of 2190546913 is about 1298.7259535720.

The spelling of 2190546913 in words is "two billion, one hundred ninety million, five hundred forty-six thousand, nine hundred thirteen".