201097017907 has 2 divisors, whose sum is σ = 201097017908. Its totient is φ = 201097017906.

The previous prime is 201097017853. The next prime is 201097017911. The reversal of 201097017907 is 709710790102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201097017907 - 2²³ = 201088629299 is a prime.

It is a super-2 number, since 2×201097017907² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201097017937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100548508953 + 100548508954.

It is an arithmetic number, because the mean of its divisors is an integer number (100548508954).

Almost surely, 2^201097017907 is an apocalyptic number.

201097017907 is a deficient number, since it is larger than the sum of its proper divisors (1).

201097017907 is an equidigital number, since it uses as much as digits as its factorization.

201097017907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 43.

The spelling of 201097017907 in words is "two hundred one billion, ninety-seven million, seventeen thousand, nine hundred seven".