1406481149989 has 2 divisors, whose sum is σ = 1406481149990. Its totient is φ = 1406481149988.

The previous prime is 1406481149963. The next prime is 1406481150031. The reversal of 1406481149989 is 9899411846041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733006520964 + 673474629025 = 856158^2 + 820655^2 .

It is an emirp because it is prime and its reverse (9899411846041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406481149989 - 2⁹ = 1406481149477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406481149989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406481149959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703240574994 + 703240574995.

It is an arithmetic number, because the mean of its divisors is an integer number (703240574995).

Almost surely, 2^{1406481149989} is an apocalyptic number.

It is an amenable number.

1406481149989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406481149989 is an equidigital number, since it uses as much as digits as its factorization.

1406481149989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 64.

The spelling of 1406481149989 in words is "one trillion, four hundred six billion, four hundred eighty-one million, one hundred forty-nine thousand, nine hundred eighty-nine".