1428041730049 has 9 divisors (see below), whose sum is σ = 1569680152131. Its totient is φ = 1298207804520.

The previous prime is 1428041730043. The next prime is 1428041730061. The reversal of 1428041730049 is 9400371408241.

The square root of 1428041730049 is 1195007.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 499262362225 + 928779367824 = 706585^2 + 963732^2 .

It is not a de Polignac number, because 1428041730049 - 2³ = 1428041730041 is a prime.

It is a super-2 number, since 2×1428041730049² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1428041729987 and 1428041730014.

It is not an unprimeable number, because it can be changed into a prime (1428041730041) 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 in 8 ways as a sum of consecutive naturals, for example, 13090759 + ... + 13199395.

Almost surely, 2^{1428041730049} is an apocalyptic number.

1428041730049 is the 1195007-th square number.

1428041730049 is the 597504-th centered octagonal number.

It is an amenable number.

1428041730049 is a deficient number, since it is larger than the sum of its proper divisors (141638422082).

1428041730049 is an frugal number, since it uses more digits than its factorization.

1428041730049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217296 (or 108648 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 1428041730049 in words is "one trillion, four hundred twenty-eight billion, forty-one million, seven hundred thirty thousand, forty-nine".