4291390992019 has 2 divisors, whose sum is σ = 4291390992020. Its totient is φ = 4291390992018.

The previous prime is 4291390991999. The next prime is 4291390992043. The reversal of 4291390992019 is 9102990931924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4291390992019 - 2¹¹ = 4291390989971 is a prime.

It is a super-2 number, since 2×4291390992019² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4291390992419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145695496009 + 2145695496010.

It is an arithmetic number, because the mean of its divisors is an integer number (2145695496010).

Almost surely, 2^{4291390992019} is an apocalyptic number.

4291390992019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291390992019 is an equidigital number, since it uses as much as digits as its factorization.

4291390992019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2834352, while the sum is 58.

The spelling of 4291390992019 in words is "four trillion, two hundred ninety-one billion, three hundred ninety million, nine hundred ninety-two thousand, nineteen".