42620973566819 has 8 divisors (see below), whose sum is σ = 44483625856800. Its totient is φ = 40759118483776.

The previous prime is 42620973566803. The next prime is 42620973566827. The reversal of 42620973566819 is 91866537902624.

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

It is a cyclic number.

It is not a de Polignac number, because 42620973566819 - 2⁴ = 42620973566803 is a prime.

It is a super-2 number, since 2×42620973566819² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42620973566879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199192472 + ... + 199406325.

It is an arithmetic number, because the mean of its divisors is an integer number (5560453232100).

It is a 1-persistent number, because it is pandigital, but 2⋅42620973566819 = 85241947133638 is not.

Almost surely, 2^{42620973566819} is an apocalyptic number.

42620973566819 is a deficient number, since it is larger than the sum of its proper divisors (1862652289981).

42620973566819 is a wasteful number, since it uses less digits than its factorization.

42620973566819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398603469.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 42620973566819 in words is "forty-two trillion, six hundred twenty billion, nine hundred seventy-three million, five hundred sixty-six thousand, eight hundred nineteen".