6942029931145 has 8 divisors (see below), whose sum is σ = 8424036321480. Its totient is φ = 5491223675520.

The previous prime is 6942029931113. The next prime is 6942029931149. The reversal of 6942029931145 is 5411399202496.

It can be written as a sum of positive squares in 4 ways, for example, as 646266464649 + 6295763466496 = 803907^2 + 2509136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6942029931145 - 2⁵ = 6942029931113 is a prime.

It is a super-2 number, since 2×6942029931145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6942029931149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7800033186 + ... + 7800034075.

It is an arithmetic number, because the mean of its divisors is an integer number (1053004540185).

Almost surely, 2^{6942029931145} is an apocalyptic number.

It is an amenable number.

6942029931145 is a deficient number, since it is larger than the sum of its proper divisors (1482006390335).

6942029931145 is a wasteful number, since it uses less digits than its factorization.

6942029931145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600067355.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 6942029931145 in words is "six trillion, nine hundred forty-two billion, twenty-nine million, nine hundred thirty-one thousand, one hundred forty-five".