42142625349 has 8 divisors (see below), whose sum is σ = 61298364192. Its totient is φ = 25540985040.

The previous prime is 42142625323. The next prime is 42142625353. The reversal of 42142625349 is 94352624124.

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

It is not a de Polignac number, because 42142625349 - 2⁷ = 42142625221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42142625349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142625549) 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, 638524594 + ... + 638524659.

It is an arithmetic number, because the mean of its divisors is an integer number (7662295524).

Almost surely, 2^42142625349 is an apocalyptic number.

It is an amenable number.

42142625349 is a deficient number, since it is larger than the sum of its proper divisors (19155738843).

42142625349 is a wasteful number, since it uses less digits than its factorization.

42142625349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277049267.

The product of its digits is 414720, while the sum is 42.

The spelling of 42142625349 in words is "forty-two billion, one hundred forty-two million, six hundred twenty-five thousand, three hundred forty-nine".