1411891801 has 2 divisors, whose sum is σ = 1411891802. Its totient is φ = 1411891800.

The previous prime is 1411891739. The next prime is 1411891813. The reversal of 1411891801 is 1081981141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385626176 + 26265625 = 37224^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1411891801 - 2¹⁹ = 1411367513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1411891861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705945900 + 705945901.

It is an arithmetic number, because the mean of its divisors is an integer number (705945901).

Almost surely, 2^1411891801 is an apocalyptic number.

It is an amenable number.

1411891801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1411891801 is an equidigital number, since it uses as much as digits as its factorization.

1411891801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 34.

The square root of 1411891801 is about 37575.1487156072. The cubic root of 1411891801 is about 1121.8474507772.

The spelling of 1411891801 in words is "one billion, four hundred eleven million, eight hundred ninety-one thousand, eight hundred one".