2219511941 has 2 divisors, whose sum is σ = 2219511942. Its totient is φ = 2219511940.

The previous prime is 2219511919. The next prime is 2219511953. The reversal of 2219511941 is 1491159122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086571041 + 132940900 = 45679^2 + 11530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219511941 - 2¹⁴ = 2219495557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2219511841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109755970 + 1109755971.

It is an arithmetic number, because the mean of its divisors is an integer number (1109755971).

Almost surely, 2^2219511941 is an apocalyptic number.

It is an amenable number.

2219511941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219511941 is an equidigital number, since it uses as much as digits as its factorization.

2219511941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 35.

The square root of 2219511941 is about 47111.6964351741. The cubic root of 2219511941 is about 1304.4251449520.

The spelling of 2219511941 in words is "two billion, two hundred nineteen million, five hundred eleven thousand, nine hundred forty-one".