42493284489 has 16 divisors (see below), whose sum is σ = 57908096064. Its totient is φ = 27710424000.

The previous prime is 42493284437. The next prime is 42493284527. The reversal of 42493284489 is 98448239424.

It is not a de Polignac number, because 42493284489 - 2⁹ = 42493283977 is a prime.

It is a super-2 number, since 2×42493284489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42493284389) 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, 819682 + ... + 869979.

It is an arithmetic number, because the mean of its divisors is an integer number (3619256004).

Almost surely, 2^42493284489 is an apocalyptic number.

It is an amenable number.

42493284489 is a deficient number, since it is larger than the sum of its proper divisors (15414811575).

42493284489 is a wasteful number, since it uses less digits than its factorization.

42493284489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689848.

The product of its digits is 15925248, while the sum is 57.

The spelling of 42493284489 in words is "forty-two billion, four hundred ninety-three million, two hundred eighty-four thousand, four hundred eighty-nine".