201243500130419 has 2 divisors, whose sum is σ = 201243500130420. Its totient is φ = 201243500130418.

The previous prime is 201243500130377. The next prime is 201243500130493. The reversal of 201243500130419 is 914031005342102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201243500130419 - 2³² = 201239205163123 is a prime.

It is a super-2 number, since 2×201243500130419² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201243503130419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100621750065209 + 100621750065210.

It is an arithmetic number, because the mean of its divisors is an integer number (100621750065210).

Almost surely, 2^{201243500130419} is an apocalyptic number.

201243500130419 is a deficient number, since it is larger than the sum of its proper divisors (1).

201243500130419 is an equidigital number, since it uses as much as digits as its factorization.

201243500130419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 201243500130419 in words is "two hundred one trillion, two hundred forty-three billion, five hundred million, one hundred thirty thousand, four hundred nineteen".