42138280613499 has 32 divisors (see below), whose sum is σ = 66495152455680. Its totient is φ = 23227347952800.

The previous prime is 42138280613497. The next prime is 42138280613501. The reversal of 42138280613499 is 99431608283124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42138280613497) and next prime (42138280613501).

It is not a de Polignac number, because 42138280613499 - 2¹ = 42138280613497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42138280613497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103862719 + ... + 104267640.

It is an arithmetic number, because the mean of its divisors is an integer number (2077973514240).

Almost surely, 2^{42138280613499} is an apocalyptic number.

42138280613499 is a deficient number, since it is larger than the sum of its proper divisors (24356871842181).

42138280613499 is a wasteful number, since it uses less digits than its factorization.

42138280613499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208130711.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 42138280613499 in words is "forty-two trillion, one hundred thirty-eight billion, two hundred eighty million, six hundred thirteen thousand, four hundred ninety-nine".