2119999487 has 2 divisors, whose sum is σ = 2119999488. Its totient is φ = 2119999486.

The previous prime is 2119999477. The next prime is 2119999489. The reversal of 2119999487 is 7849999112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2119999487 - 2²⁸ = 1851564031 is a prime.

Together with 2119999489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119999489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059999743 + 1059999744.

It is an arithmetic number, because the mean of its divisors is an integer number (1059999744).

Almost surely, 2^2119999487 is an apocalyptic number.

2119999487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119999487 is an equidigital number, since it uses as much as digits as its factorization.

2119999487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 59.

The square root of 2119999487 is about 46043.4521620610. The cubic root of 2119999487 is about 1284.6315540936.

The spelling of 2119999487 in words is "two billion, one hundred nineteen million, nine hundred ninety-nine thousand, four hundred eighty-seven".