1401430369 has 2 divisors, whose sum is σ = 1401430370. Its totient is φ = 1401430368.

The previous prime is 1401430337. The next prime is 1401430451. The reversal of 1401430369 is 9630341041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913550625 + 487879744 = 30225^2 + 22088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401430369 - 2⁵ = 1401430337 is a prime.

It is a super-2 number, since 2×1401430369² = 3928014158310952322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401430369.

It is not a weakly prime, because it can be changed into another prime (1401430169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700715184 + 700715185.

It is an arithmetic number, because the mean of its divisors is an integer number (700715185).

Almost surely, 2^1401430369 is an apocalyptic number.

It is an amenable number.

1401430369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401430369 is an equidigital number, since it uses as much as digits as its factorization.

1401430369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1401430369 is about 37435.6830978146. The cubic root of 1401430369 is about 1119.0697976393.

The spelling of 1401430369 in words is "one billion, four hundred one million, four hundred thirty thousand, three hundred sixty-nine".