42201819085789 has 8 divisors (see below), whose sum is σ = 47161234632960. Its totient is φ = 37429551295200.

The previous prime is 42201819085759. The next prime is 42201819085819. The reversal of 42201819085789 is 98758091810224.

It is an interprime number because it is at equal distance from previous prime (42201819085759) and next prime (42201819085819).

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 42201819085789 - 2⁷ = 42201819085661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42201819085789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201819085709) 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, 46786938669 + ... + 46786939570.

It is an arithmetic number, because the mean of its divisors is an integer number (5895154329120).

Almost surely, 2^{42201819085789} is an apocalyptic number.

It is an amenable number.

42201819085789 is a deficient number, since it is larger than the sum of its proper divisors (4959415547171).

42201819085789 is a wasteful number, since it uses less digits than its factorization.

42201819085789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93573878291.

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 42201819085789 in words is "forty-two trillion, two hundred one billion, eight hundred nineteen million, eighty-five thousand, seven hundred eighty-nine".