2371987419 has 4 divisors (see below), whose sum is σ = 3162649896. Its totient is φ = 1581324944.

The previous prime is 2371987367. The next prime is 2371987433. The reversal of 2371987419 is 9147891732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2371987419 - 2¹² = 2371983323 is a prime.

It is a super-2 number, since 2×2371987419² = 11252648631788563122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2371987469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395331234 + ... + 395331239.

It is an arithmetic number, because the mean of its divisors is an integer number (790662474).

Almost surely, 2^2371987419 is an apocalyptic number.

2371987419 is a deficient number, since it is larger than the sum of its proper divisors (790662477).

2371987419 is an equidigital number, since it uses as much as digits as its factorization.

2371987419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790662476.

The product of its digits is 762048, while the sum is 51.

The square root of 2371987419 is about 48703.0534874355. The cubic root of 2371987419 is about 1333.6364610314.

The spelling of 2371987419 in words is "two billion, three hundred seventy-one million, nine hundred eighty-seven thousand, four hundred nineteen".