1406174491289 has 2 divisors, whose sum is σ = 1406174491290. Its totient is φ = 1406174491288.

The previous prime is 1406174491277. The next prime is 1406174491313. The reversal of 1406174491289 is 9821944716041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1403533045264 + 2641446025 = 1184708^2 + 51395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406174491289 - 2⁴⁰ = 306662863513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1406174491489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703087245644 + 703087245645.

It is an arithmetic number, because the mean of its divisors is an integer number (703087245645).

Almost surely, 2^{1406174491289} is an apocalyptic number.

It is an amenable number.

1406174491289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406174491289 is an equidigital number, since it uses as much as digits as its factorization.

1406174491289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 1406174491289 in words is "one trillion, four hundred six billion, one hundred seventy-four million, four hundred ninety-one thousand, two hundred eighty-nine".