42298218873021 has 16 divisors (see below), whose sum is σ = 56987471745344. Its totient is φ = 27903975289344.

The previous prime is 42298218873011. The next prime is 42298218873023. The reversal of 42298218873021 is 12037881289224.

It is a happy number.

It is not a de Polignac number, because 42298218873021 - 2⁵ = 42298218872989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42298218873023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8778286 + ... + 12714351.

It is an arithmetic number, because the mean of its divisors is an integer number (3561716984084).

Almost surely, 2^{42298218873021} is an apocalyptic number.

It is an amenable number.

42298218873021 is a deficient number, since it is larger than the sum of its proper divisors (14689252872323).

42298218873021 is a wasteful number, since it uses less digits than its factorization.

42298218873021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21499500.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 42298218873021 in words is "forty-two trillion, two hundred ninety-eight billion, two hundred eighteen million, eight hundred seventy-three thousand, twenty-one".