201258648439 has 2 divisors, whose sum is σ = 201258648440. Its totient is φ = 201258648438.

The previous prime is 201258648431. The next prime is 201258648463. The reversal of 201258648439 is 934846852102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201258648439 - 2³ = 201258648431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201258648431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100629324219 + 100629324220.

It is an arithmetic number, because the mean of its divisors is an integer number (100629324220).

Almost surely, 2^201258648439 is an apocalyptic number.

201258648439 is a deficient number, since it is larger than the sum of its proper divisors (1).

201258648439 is an equidigital number, since it uses as much as digits as its factorization.

201258648439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 201258648439 in words is "two hundred one billion, two hundred fifty-eight million, six hundred forty-eight thousand, four hundred thirty-nine".