201263507061979 has 2 divisors, whose sum is σ = 201263507061980. Its totient is φ = 201263507061978.

The previous prime is 201263507061913. The next prime is 201263507061997. The reversal of 201263507061979 is 979160705362102.

It is a happy number.

Together with next prime (201263507061997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201263507061979 - 2⁹ = 201263507061467 is a prime.

It is not a weakly prime, because it can be changed into another prime (201263507061179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100631753530989 + 100631753530990.

It is an arithmetic number, because the mean of its divisors is an integer number (100631753530990).

Almost surely, 2^{201263507061979} is an apocalyptic number.

201263507061979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201263507061979 is an equidigital number, since it uses as much as digits as its factorization.

201263507061979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 201263507061979 in words is "two hundred one trillion, two hundred sixty-three billion, five hundred seven million, sixty-one thousand, nine hundred seventy-nine".