42497671229 has 4 divisors (see below), whose sum is σ = 45766722876. Its totient is φ = 39228619584.

The previous prime is 42497671219. The next prime is 42497671259. The reversal of 42497671229 is 92217679424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28187052100 + 14310619129 = 167890^2 + 119627^2 .

It is a cyclic number.

It is not a de Polignac number, because 42497671229 - 2⁸ = 42497670973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497671219) 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, 1634525804 + ... + 1634525829.

It is an arithmetic number, because the mean of its divisors is an integer number (11441680719).

Almost surely, 2^42497671229 is an apocalyptic number.

It is an amenable number.

42497671229 is a deficient number, since it is larger than the sum of its proper divisors (3269051647).

42497671229 is a wasteful number, since it uses less digits than its factorization.

42497671229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269051646.

The product of its digits is 3048192, while the sum is 53.

The spelling of 42497671229 in words is "forty-two billion, four hundred ninety-seven million, six hundred seventy-one thousand, two hundred twenty-nine".