42412391019 has 8 divisors (see below), whose sum is σ = 62833171920. Its totient is φ = 28274927328.

The previous prime is 42412391003. The next prime is 42412391051. The reversal of 42412391019 is 91019321424.

42412391019 is a `hidden beast` number, since 424 + 123 + 9 + 101 + 9 = 666.

It is not a de Polignac number, because 42412391019 - 2⁴ = 42412391003 is a prime.

It is a super-2 number, since 2×42412391019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42412392019) 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, 785414622 + ... + 785414675.

It is an arithmetic number, because the mean of its divisors is an integer number (7854146490).

Almost surely, 2^42412391019 is an apocalyptic number.

42412391019 is a deficient number, since it is larger than the sum of its proper divisors (20420780901).

42412391019 is a wasteful number, since it uses less digits than its factorization.

42412391019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570829306 (or 1570829300 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 42412391019 in words is "forty-two billion, four hundred twelve million, three hundred ninety-one thousand, nineteen".