1434401557 has 2 divisors, whose sum is σ = 1434401558. Its totient is φ = 1434401556.

The previous prime is 1434401543. The next prime is 1434401603. The reversal of 1434401557 is 7551044341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113490161 + 320911396 = 33369^2 + 17914^2 .

It is an emirp because it is prime and its reverse (7551044341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1434401557 - 2⁷ = 1434401429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1435401557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717200778 + 717200779.

It is an arithmetic number, because the mean of its divisors is an integer number (717200779).

Almost surely, 2^1434401557 is an apocalyptic number.

It is an amenable number.

1434401557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434401557 is an equidigital number, since it uses as much as digits as its factorization.

1434401557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1434401557 is about 37873.4941218790. The cubic root of 1434401557 is about 1127.7779072184. Note that the first 3 decimals are identical.

Adding to 1434401557 its reverse (7551044341), we get a palindrome (8985445898).

The spelling of 1434401557 in words is "one billion, four hundred thirty-four million, four hundred one thousand, five hundred fifty-seven".