1406144497 has 2 divisors, whose sum is σ = 1406144498. Its totient is φ = 1406144496.

The previous prime is 1406144471. The next prime is 1406144521. The reversal of 1406144497 is 7944416041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1405950016 + 194481 = 37496^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406144497 - 2¹¹ = 1406142449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406144447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703072248 + 703072249.

It is an arithmetic number, because the mean of its divisors is an integer number (703072249).

Almost surely, 2^1406144497 is an apocalyptic number.

It is an amenable number.

1406144497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406144497 is an equidigital number, since it uses as much as digits as its factorization.

1406144497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1406144497 is about 37498.5932669480. The cubic root of 1406144497 is about 1120.3231680633.

The spelling of 1406144497 in words is "one billion, four hundred six million, one hundred forty-four thousand, four hundred ninety-seven".