42692735427 has 4 divisors (see below), whose sum is σ = 56923647240. Its totient is φ = 28461823616.

The previous prime is 42692735383. The next prime is 42692735479. The reversal of 42692735427 is 72453729624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42692735427 - 2⁷ = 42692735299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42692735427.

It is not an unprimeable number, because it can be changed into a prime (42692730427) 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, 7115455902 + ... + 7115455907.

It is an arithmetic number, because the mean of its divisors is an integer number (14230911810).

Almost surely, 2^42692735427 is an apocalyptic number.

42692735427 is a deficient number, since it is larger than the sum of its proper divisors (14230911813).

42692735427 is a wasteful number, since it uses less digits than its factorization.

42692735427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14230911812.

The product of its digits is 5080320, while the sum is 51.

The spelling of 42692735427 in words is "forty-two billion, six hundred ninety-two million, seven hundred thirty-five thousand, four hundred twenty-seven".