642545037514 has 8 divisors (see below), whose sum is σ = 966502285920. Its totient is φ = 320377608876.

The previous prime is 642545037493. The next prime is 642545037527. The reversal of 642545037514 is 415730545246.

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

It is an unprimeable number.

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, 447454044 + ... + 447455479.

It is an arithmetic number, because the mean of its divisors is an integer number (120812785740).

Almost surely, 2^642545037514 is an apocalyptic number.

642545037514 is a deficient number, since it is larger than the sum of its proper divisors (323957248406).

642545037514 is a wasteful number, since it uses less digits than its factorization.

642545037514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894909884.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 642545037514 in words is "six hundred forty-two billion, five hundred forty-five million, thirty-seven thousand, five hundred fourteen".