1406423269 has 2 divisors, whose sum is σ = 1406423270. Its totient is φ = 1406423268.

The previous prime is 1406423203. The next prime is 1406423279. The reversal of 1406423269 is 9623246041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111889025 + 294534244 = 33345^2 + 17162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406423269 - 2²⁵ = 1372868837 is a prime.

It is a super-2 number, since 2×1406423269² = 3956052823169292722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406423279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703211634 + 703211635.

It is an arithmetic number, because the mean of its divisors is an integer number (703211635).

Almost surely, 2^1406423269 is an apocalyptic number.

It is an amenable number.

1406423269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406423269 is an equidigital number, since it uses as much as digits as its factorization.

1406423269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1406423269 is about 37502.3101821741. The cubic root of 1406423269 is about 1120.3971988840.

The spelling of 1406423269 in words is "one billion, four hundred six million, four hundred twenty-three thousand, two hundred sixty-nine".