1642433255 has 8 divisors (see below), whose sum is σ = 1989002400. Its totient is φ = 1301891616.

The previous prime is 1642433251. The next prime is 1642433269. The reversal of 1642433255 is 5523342461.

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 1642433255 - 2² = 1642433251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642433251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506275 + ... + 1507364.

It is an arithmetic number, because the mean of its divisors is an integer number (248625300).

Almost surely, 2^1642433255 is an apocalyptic number.

1642433255 is a deficient number, since it is larger than the sum of its proper divisors (346569145).

1642433255 is a wasteful number, since it uses less digits than its factorization.

1642433255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013753.

The product of its digits is 86400, while the sum is 35.

The square root of 1642433255 is about 40526.9448021930. The cubic root of 1642433255 is about 1179.8566461397.

The spelling of 1642433255 in words is "one billion, six hundred forty-two million, four hundred thirty-three thousand, two hundred fifty-five".