42394486489 has 4 divisors (see below), whose sum is σ = 44237725056. Its totient is φ = 40551247924.

The previous prime is 42394486481. The next prime is 42394486493. The reversal of 42394486489 is 98468449324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42394486489 - 2³ = 42394486481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42394486481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921619249 + ... + 921619294.

It is an arithmetic number, because the mean of its divisors is an integer number (11059431264).

Almost surely, 2^42394486489 is an apocalyptic number.

It is an amenable number.

42394486489 is a deficient number, since it is larger than the sum of its proper divisors (1843238567).

42394486489 is a wasteful number, since it uses less digits than its factorization.

42394486489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843238566.

The product of its digits is 47775744, while the sum is 61.

The spelling of 42394486489 in words is "forty-two billion, three hundred ninety-four million, four hundred eighty-six thousand, four hundred eighty-nine".