2162497879 has 2 divisors, whose sum is σ = 2162497880. Its totient is φ = 2162497878.

The previous prime is 2162497859. The next prime is 2162497919. The reversal of 2162497879 is 9787942612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162497879 - 2¹¹ = 2162495831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162497859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081248939 + 1081248940.

It is an arithmetic number, because the mean of its divisors is an integer number (1081248940).

Almost surely, 2^2162497879 is an apocalyptic number.

2162497879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162497879 is an equidigital number, since it uses as much as digits as its factorization.

2162497879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The square root of 2162497879 is about 46502.6652892068. The cubic root of 2162497879 is about 1293.1589106913.

The spelling of 2162497879 in words is "two billion, one hundred sixty-two million, four hundred ninety-seven thousand, eight hundred seventy-nine".