1642063914 has 40 divisors (see below), whose sum is σ = 3748882500. Its totient is φ = 537024384.

The previous prime is 1642063903. The next prime is 1642063921. The reversal of 1642063914 is 4193602461.

1642063914 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 0 + 639 + 14 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1613387889 + 28676025 = 40167^2 + 5355^2 .

It is a Curzon 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 19 ways as a sum of consecutive naturals, for example, 87039 + ... + 104210.

Almost surely, 2^1642063914 is an apocalyptic number.

1642063914 is an abundant number, since it is smaller than the sum of its proper divisors (2106818586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1642063914 is a wasteful number, since it uses less digits than its factorization.

1642063914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191316 (or 191307 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1642063914 is about 40522.3878121712. The cubic root of 1642063914 is about 1179.7681997040.

The spelling of 1642063914 in words is "one billion, six hundred forty-two million, sixty-three thousand, nine hundred fourteen".