2619238871 has 2 divisors, whose sum is σ = 2619238872. Its totient is φ = 2619238870.

The previous prime is 2619238859. The next prime is 2619238891. The reversal of 2619238871 is 1788329162.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2619238871 - 2¹⁸ = 2618976727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2619238891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309619435 + 1309619436.

It is an arithmetic number, because the mean of its divisors is an integer number (1309619436).

Almost surely, 2^2619238871 is an apocalyptic number.

2619238871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619238871 is an equidigital number, since it uses as much as digits as its factorization.

2619238871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 2619238871 is about 51178.5000854851. The cubic root of 2619238871 is about 1378.4521732532.

The spelling of 2619238871 in words is "two billion, six hundred nineteen million, two hundred thirty-eight thousand, eight hundred seventy-one".