1642315334 has 48 divisors (see below), whose sum is σ = 2813045760. Its totient is φ = 717802800.

The previous prime is 1642315291. The next prime is 1642315343. The reversal of 1642315334 is 4335132461.

It is a self number, because there is not a number n which added to its sum of digits gives 1642315334.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1342247 + ... + 1343469.

It is an arithmetic number, because the mean of its divisors is an integer number (58605120).

Almost surely, 2^1642315334 is an apocalyptic number.

1642315334 is a deficient number, since it is larger than the sum of its proper divisors (1170730426).

1642315334 is a wasteful number, since it uses less digits than its factorization.

1642315334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1446 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 1642315334 is about 40525.4899291791. The cubic root of 1642315334 is about 1179.8284089282.

Adding to 1642315334 its reverse (4335132461), we get a palindrome (5977447795).

The spelling of 1642315334 in words is "one billion, six hundred forty-two million, three hundred fifteen thousand, three hundred thirty-four".