42615349127939 has 32 divisors (see below), whose sum is σ = 51151091376000. Its totient is φ = 35463115336320.

The previous prime is 42615349127933. The next prime is 42615349128017. The reversal of 42615349127939 is 93972194351624.

It is not a de Polignac number, because 42615349127939 - 2³² = 42611054160643 is a prime.

It is a super-2 number, since 2×42615349127939² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42615349127933) 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, 2208557 + ... + 9492545.

It is an arithmetic number, because the mean of its divisors is an integer number (1598471605500).

Almost surely, 2^{42615349127939} is an apocalyptic number.

42615349127939 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42615349127939 is a deficient number, since it is larger than the sum of its proper divisors (8535742248061).

42615349127939 is an equidigital number, since it uses as much as digits as its factorization.

42615349127939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284508 (or 7284494 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 65.

The spelling of 42615349127939 in words is "forty-two trillion, six hundred fifteen billion, three hundred forty-nine million, one hundred twenty-seven thousand, nine hundred thirty-nine".