42498397459 has 8 divisors (see below), whose sum is σ = 51125891840. Its totient is φ = 34509976776.

The previous prime is 42498397451. The next prime is 42498397489. The reversal of 42498397459 is 95479389424.

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 42498397459 - 2³ = 42498397451 is a prime.

It is a super-2 number, since 2×42498397459² (a number of 22 digits) contains 22 as substring.

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 42498397459.

It is not an unprimeable number, because it can be changed into a prime (42498397451) 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, 159768279 + ... + 159768544.

It is an arithmetic number, because the mean of its divisors is an integer number (6390736480).

Almost surely, 2^42498397459 is an apocalyptic number.

42498397459 is a deficient number, since it is larger than the sum of its proper divisors (8627494381).

42498397459 is a wasteful number, since it uses less digits than its factorization.

42498397459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319536849.

The product of its digits is 78382080, while the sum is 64.

The spelling of 42498397459 in words is "forty-two billion, four hundred ninety-eight million, three hundred ninety-seven thousand, four hundred fifty-nine".