42357421334 has 4 divisors (see below), whose sum is σ = 63536132004. Its totient is φ = 21178710666.

The previous prime is 42357421331. The next prime is 42357421343. The reversal of 42357421334 is 43312475324.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42357421334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357421331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10589355332 + ... + 10589355335.

It is an arithmetic number, because the mean of its divisors is an integer number (15884033001).

Almost surely, 2^42357421334 is an apocalyptic number.

42357421334 is a deficient number, since it is larger than the sum of its proper divisors (21178710670).

42357421334 is a wasteful number, since it uses less digits than its factorization.

42357421334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178710669.

The product of its digits is 241920, while the sum is 38.

Adding to 42357421334 its reverse (43312475324), we get a palindrome (85669896658).

The spelling of 42357421334 in words is "forty-two billion, three hundred fifty-seven million, four hundred twenty-one thousand, three hundred thirty-four".