1642373285 has 16 divisors (see below), whose sum is σ = 2307336192. Its totient is φ = 1098729600.

The previous prime is 1642373267. The next prime is 1642373297. The reversal of 1642373285 is 5823732461.

It is not a de Polignac number, because 1642373285 - 2¹⁴ = 1642356901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570821 + ... + 573690.

It is an arithmetic number, because the mean of its divisors is an integer number (144208512).

Almost surely, 2^1642373285 is an apocalyptic number.

It is an amenable number.

1642373285 is a deficient number, since it is larger than the sum of its proper divisors (664962907).

1642373285 is a wasteful number, since it uses less digits than its factorization.

1642373285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144564.

The product of its digits is 241920, while the sum is 41.

The square root of 1642373285 is about 40526.2049173125. The cubic root of 1642373285 is about 1179.8422859693.

The spelling of 1642373285 in words is "one billion, six hundred forty-two million, three hundred seventy-three thousand, two hundred eighty-five".