1408017881 has 2 divisors, whose sum is σ = 1408017882. Its totient is φ = 1408017880.

The previous prime is 1408017851. The next prime is 1408017899. The reversal of 1408017881 is 1887108041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316528656 + 91489225 = 36284^2 + 9565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1408017881 is a prime.

It is a super-2 number, since 2×1408017881² = 3965028706431460322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1408017851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704008940 + 704008941.

It is an arithmetic number, because the mean of its divisors is an integer number (704008941).

Almost surely, 2^1408017881 is an apocalyptic number.

It is an amenable number.

1408017881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408017881 is an equidigital number, since it uses as much as digits as its factorization.

1408017881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 1408017881 is about 37523.5643429565. The cubic root of 1408017881 is about 1120.8204768695.

The spelling of 1408017881 in words is "one billion, four hundred eight million, seventeen thousand, eight hundred eighty-one".