42124964919 has 4 divisors (see below), whose sum is σ = 56166619896. Its totient is φ = 28083309944.

The previous prime is 42124964897. The next prime is 42124964951. The reversal of 42124964919 is 91946942124.

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 42124964919 - 2¹⁷ = 42124833847 is a prime.

It is a super-2 number, since 2×42124964919² (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 (42124964419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7020827484 + ... + 7020827489.

It is an arithmetic number, because the mean of its divisors is an integer number (14041654974).

Almost surely, 2^42124964919 is an apocalyptic number.

42124964919 is a deficient number, since it is larger than the sum of its proper divisors (14041654977).

42124964919 is a wasteful number, since it uses less digits than its factorization.

42124964919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041654976.

The product of its digits is 1119744, while the sum is 51.

The spelling of 42124964919 in words is "forty-two billion, one hundred twenty-four million, nine hundred sixty-four thousand, nine hundred nineteen".