1413001921 has 2 divisors, whose sum is σ = 1413001922. Its totient is φ = 1413001920.

The previous prime is 1413001907. The next prime is 1413001981. The reversal of 1413001921 is 1291003141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039159696 + 373842225 = 32236^2 + 19335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413001921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1413001892 and 1413001901.

It is not a weakly prime, because it can be changed into another prime (1413001981) 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, 706500960 + 706500961.

It is an arithmetic number, because the mean of its divisors is an integer number (706500961).

Almost surely, 2^1413001921 is an apocalyptic number.

It is an amenable number.

1413001921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413001921 is an equidigital number, since it uses as much as digits as its factorization.

1413001921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1413001921 is about 37589.9178104981. The cubic root of 1413001921 is about 1122.1413965864.

The spelling of 1413001921 in words is "one billion, four hundred thirteen million, one thousand, nine hundred twenty-one".