1428604573 has 4 divisors (see below), whose sum is σ = 1558477728. Its totient is φ = 1298731420.

The previous prime is 1428604553. The next prime is 1428604577. The reversal of 1428604573 is 3754068241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428604573 is a prime.

It is a super-2 number, since 2×1428604573² = 4081822051993024658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428604577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64936561 + ... + 64936582.

It is an arithmetic number, because the mean of its divisors is an integer number (389619432).

Almost surely, 2^1428604573 is an apocalyptic number.

It is an amenable number.

1428604573 is a deficient number, since it is larger than the sum of its proper divisors (129873155).

1428604573 is a wasteful number, since it uses less digits than its factorization.

1428604573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129873154.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1428604573 is about 37796.8857579563. The cubic root of 1428604573 is about 1126.2565904395.

The spelling of 1428604573 in words is "one billion, four hundred twenty-eight million, six hundred four thousand, five hundred seventy-three".