642532153414 has 8 divisors (see below), whose sum is σ = 965729691000. Its totient is φ = 320622256416.

The previous prime is 642532153411. The next prime is 642532153423. The reversal of 642532153414 is 414351235246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642532153411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321908899 + ... + 321910894.

It is an arithmetic number, because the mean of its divisors is an integer number (120716211375).

Almost surely, 2^642532153414 is an apocalyptic number.

642532153414 is a deficient number, since it is larger than the sum of its proper divisors (323197537586).

642532153414 is a wasteful number, since it uses less digits than its factorization.

642532153414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643820294.

The product of its digits is 345600, while the sum is 40.

The spelling of 642532153414 in words is "six hundred forty-two billion, five hundred thirty-two million, one hundred fifty-three thousand, four hundred fourteen".