201197836019 has 2 divisors, whose sum is σ = 201197836020. Its totient is φ = 201197836018.

The previous prime is 201197835961. The next prime is 201197836057. The reversal of 201197836019 is 910638791102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201197836019 - 2²⁰ = 201196787443 is a prime.

It is a super-2 number, since 2×201197836019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201197836919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100598918009 + 100598918010.

It is an arithmetic number, because the mean of its divisors is an integer number (100598918010).

Almost surely, 2^201197836019 is an apocalyptic number.

201197836019 is a deficient number, since it is larger than the sum of its proper divisors (1).

201197836019 is an equidigital number, since it uses as much as digits as its factorization.

201197836019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 201197836019 in words is "two hundred one billion, one hundred ninety-seven million, eight hundred thirty-six thousand, nineteen".