201349828987 has 2 divisors, whose sum is σ = 201349828988. Its totient is φ = 201349828986.

The previous prime is 201349828957. The next prime is 201349829011. The reversal of 201349828987 is 789828943102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201349828987 is a prime.

It is not a weakly prime, because it can be changed into another prime (201349828907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100674914493 + 100674914494.

It is an arithmetic number, because the mean of its divisors is an integer number (100674914494).

Almost surely, 2^201349828987 is an apocalyptic number.

201349828987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201349828987 is an equidigital number, since it uses as much as digits as its factorization.

201349828987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 201349828987 in words is "two hundred one billion, three hundred forty-nine million, eight hundred twenty-eight thousand, nine hundred eighty-seven".