1406360869 has 2 divisors, whose sum is σ = 1406360870. Its totient is φ = 1406360868.

The previous prime is 1406360843. The next prime is 1406360897. The reversal of 1406360869 is 9680636041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1304148769 + 102212100 = 36113^2 + 10110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406360869 - 2⁷ = 1406360741 is a prime.

It is a super-2 number, since 2×1406360869² = 3955701787708870322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406360899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703180434 + 703180435.

It is an arithmetic number, because the mean of its divisors is an integer number (703180435).

Almost surely, 2^1406360869 is an apocalyptic number.

It is an amenable number.

1406360869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406360869 is an equidigital number, since it uses as much as digits as its factorization.

1406360869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1406360869 is about 37501.4782241980. The cubic root of 1406360869 is about 1120.3806287611.

The spelling of 1406360869 in words is "one billion, four hundred six million, three hundred sixty thousand, eight hundred sixty-nine".