1406801406859 has 2 divisors, whose sum is σ = 1406801406860. Its totient is φ = 1406801406858.

The previous prime is 1406801406851. The next prime is 1406801406887. The reversal of 1406801406859 is 9586041086041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406801406859 - 2³ = 1406801406851 is a prime.

It is a super-3 number, since 3×1406801406859³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1406801406851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703400703429 + 703400703430.

It is an arithmetic number, because the mean of its divisors is an integer number (703400703430).

Almost surely, 2^{1406801406859} is an apocalyptic number.

1406801406859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406801406859 is an equidigital number, since it uses as much as digits as its factorization.

1406801406859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 1406801406859 in words is "one trillion, four hundred six billion, eight hundred one million, four hundred six thousand, eight hundred fifty-nine".