4187421319 has 2 divisors, whose sum is σ = 4187421320. Its totient is φ = 4187421318.

The previous prime is 4187421299. The next prime is 4187421341. The reversal of 4187421319 is 9131247814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4187421319 is a prime.

It is a super-2 number, since 2×4187421319² = 35068994605631399522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4187422319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093710659 + 2093710660.

It is an arithmetic number, because the mean of its divisors is an integer number (2093710660).

Almost surely, 2^4187421319 is an apocalyptic number.

4187421319 is a deficient number, since it is larger than the sum of its proper divisors (1).

4187421319 is an equidigital number, since it uses as much as digits as its factorization.

4187421319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 4187421319 is about 64710.2875824239. The cubic root of 4187421319 is about 1611.8163366199.

The spelling of 4187421319 in words is "four billion, one hundred eighty-seven million, four hundred twenty-one thousand, three hundred nineteen".