42397948874 has 8 divisors (see below), whose sum is σ = 65148067908. Its totient is φ = 20681926240.

The previous prime is 42397948871. The next prime is 42397948883. The reversal of 42397948874 is 47884979324.

It can be written as a sum of positive squares in 2 ways, for example, as 39638022649 + 2759926225 = 199093^2 + 52535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42397948874.

It is not an unprimeable number, because it can be changed into a prime (42397948871) 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, 258523997 + ... + 258524160.

Almost surely, 2^42397948874 is an apocalyptic number.

42397948874 is a deficient number, since it is larger than the sum of its proper divisors (22750119034).

42397948874 is a wasteful number, since it uses less digits than its factorization.

42397948874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517048200.

The product of its digits is 97542144, while the sum is 65.

The spelling of 42397948874 in words is "forty-two billion, three hundred ninety-seven million, nine hundred forty-eight thousand, eight hundred seventy-four".