1413921109 has 2 divisors, whose sum is σ = 1413921110. Its totient is φ = 1413921108.

The previous prime is 1413921107. The next prime is 1413921133. The reversal of 1413921109 is 9011293141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406025009 + 7896100 = 37497^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413921109 - 2¹ = 1413921107 is a prime.

Together with 1413921107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413921101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706960554 + 706960555.

It is an arithmetic number, because the mean of its divisors is an integer number (706960555).

Almost surely, 2^1413921109 is an apocalyptic number.

It is an amenable number.

1413921109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413921109 is an equidigital number, since it uses as much as digits as its factorization.

1413921109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1413921109 is about 37602.1423458824. The cubic root of 1413921109 is about 1122.3846695099.

The spelling of 1413921109 in words is "one billion, four hundred thirteen million, nine hundred twenty-one thousand, one hundred nine".