201690424267 has 2 divisors, whose sum is σ = 201690424268. Its totient is φ = 201690424266.

The previous prime is 201690424231. The next prime is 201690424321. The reversal of 201690424267 is 762424096102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201690424267 is a prime.

It is not a weakly prime, because it can be changed into another prime (201690424967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100845212133 + 100845212134.

It is an arithmetic number, because the mean of its divisors is an integer number (100845212134).

Almost surely, 2^201690424267 is an apocalyptic number.

201690424267 is a deficient number, since it is larger than the sum of its proper divisors (1).

201690424267 is an equidigital number, since it uses as much as digits as its factorization.

201690424267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 201690424267 in words is "two hundred one billion, six hundred ninety million, four hundred twenty-four thousand, two hundred sixty-seven".