1406401411 has 2 divisors, whose sum is σ = 1406401412. Its totient is φ = 1406401410.

The previous prime is 1406401391. The next prime is 1406401471. The reversal of 1406401411 is 1141046041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406401411 - 2⁵ = 1406401379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406401471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703200705 + 703200706.

It is an arithmetic number, because the mean of its divisors is an integer number (703200706).

Almost surely, 2^1406401411 is an apocalyptic number.

1406401411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406401411 is an equidigital number, since it uses as much as digits as its factorization.

1406401411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1406401411 is about 37502.0187589948. The cubic root of 1406401411 is about 1120.3913946169.

Adding to 1406401411 its reverse (1141046041), we get a palindrome (2547447452).

The spelling of 1406401411 in words is "one billion, four hundred six million, four hundred one thousand, four hundred eleven".