201019839967 has 2 divisors, whose sum is σ = 201019839968. Its totient is φ = 201019839966.

The previous prime is 201019839947. The next prime is 201019839997. The reversal of 201019839967 is 769938910102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201019839967 is a prime.

It is a super-2 number, since 2×201019839967² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201019839947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100509919983 + 100509919984.

It is an arithmetic number, because the mean of its divisors is an integer number (100509919984).

Almost surely, 2^201019839967 is an apocalyptic number.

201019839967 is a deficient number, since it is larger than the sum of its proper divisors (1).

201019839967 is an equidigital number, since it uses as much as digits as its factorization.

201019839967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 201019839967 in words is "two hundred one billion, nineteen million, eight hundred thirty-nine thousand, nine hundred sixty-seven".