42113619 has 12 divisors (see below), whose sum is σ = 61564776. Its totient is φ = 27736992.

The previous prime is 42113611. The next prime is 42113629. The reversal of 42113619 is 91631124.

42113619 is a `hidden beast` number, since 42 + 1 + 1 + 3 + 619 = 666.

It is not a de Polignac number, because 42113619 - 2³ = 42113611 is a prime.

It is a super-2 number, since 2×42113619² = 3547113810554322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42113592 and 42113601.

It is not an unprimeable number, because it can be changed into a prime (42113611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27442 + ... + 28935.

It is an arithmetic number, because the mean of its divisors is an integer number (5130398).

Almost surely, 2^42113619 is an apocalyptic number.

42113619 is a deficient number, since it is larger than the sum of its proper divisors (19451157).

42113619 is a wasteful number, since it uses less digits than its factorization.

42113619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56466 (or 56463 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 42113619 is about 6489.5006741659. The cubic root of 42113619 is about 347.9158288305.

The spelling of 42113619 in words is "forty-two million, one hundred thirteen thousand, six hundred nineteen".