1401100049 has 2 divisors, whose sum is σ = 1401100050. Its totient is φ = 1401100048.

The previous prime is 1401100037. The next prime is 1401100073. The reversal of 1401100049 is 9400011041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818360449 + 582739600 = 28607^2 + 24140^2 .

It is an emirp because it is prime and its reverse (9400011041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401100049 - 2⁸ = 1401099793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401100049.

It is not a weakly prime, because it can be changed into another prime (1401100249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700550024 + 700550025.

It is an arithmetic number, because the mean of its divisors is an integer number (700550025).

Almost surely, 2^1401100049 is an apocalyptic number.

It is an amenable number.

1401100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401100049 is an equidigital number, since it uses as much as digits as its factorization.

1401100049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1401100049 is about 37431.2710043354. The cubic root of 1401100049 is about 1118.9818683850.

The spelling of 1401100049 in words is "one billion, four hundred one million, one hundred thousand, forty-nine".