642314814873 has 8 divisors (see below), whose sum is σ = 857341629600. Its totient is φ = 427748938368.

The previous prime is 642314814833. The next prime is 642314814949. The reversal of 642314814873 is 378418413246.

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

It is not a de Polignac number, because 642314814873 - 2¹⁶ = 642314749337 is a prime.

It is a super-2 number, since 2×642314814873² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (642314814833) 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 7 ways as a sum of consecutive naturals, for example, 115231303 + ... + 115236876.

It is an arithmetic number, because the mean of its divisors is an integer number (107167703700).

Almost surely, 2^642314814873 is an apocalyptic number.

It is an amenable number.

642314814873 is a deficient number, since it is larger than the sum of its proper divisors (215026814727).

642314814873 is a wasteful number, since it uses less digits than its factorization.

642314814873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230469111.

The product of its digits is 3096576, while the sum is 51.

The spelling of 642314814873 in words is "six hundred forty-two billion, three hundred fourteen million, eight hundred fourteen thousand, eight hundred seventy-three".