1430828661 has 8 divisors (see below), whose sum is σ = 1948362624. Its totient is φ = 933590240.

The previous prime is 1430828629. The next prime is 1430828683. The reversal of 1430828661 is 1668280341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1430828661 - 2⁵ = 1430828629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430828621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073720 + ... + 5074001.

It is an arithmetic number, because the mean of its divisors is an integer number (243545328).

Almost surely, 2^1430828661 is an apocalyptic number.

It is an amenable number.

1430828661 is a deficient number, since it is larger than the sum of its proper divisors (517533963).

1430828661 is a wasteful number, since it uses less digits than its factorization.

1430828661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147771.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1430828661 is about 37826.2958932011. The cubic root of 1430828661 is about 1126.8407490523.

The spelling of 1430828661 in words is "one billion, four hundred thirty million, eight hundred twenty-eight thousand, six hundred sixty-one".