6142990837789 has 8 divisors (see below), whose sum is σ = 6657665721560. Its totient is φ = 5634335543616.

The previous prime is 6142990837787. The next prime is 6142990837799. The reversal of 6142990837789 is 9877380992416.

It can be written as a sum of positive squares in 4 ways, for example, as 1070324739225 + 5072666098564 = 1034565^2 + 2252258^2 .

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

It is not a de Polignac number, because 6142990837789 - 2¹ = 6142990837787 is a prime.

It is a super-2 number, since 2×6142990837789² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142990837787) 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, 1504895274 + ... + 1504899355.

It is an arithmetic number, because the mean of its divisors is an integer number (832208215195).

Almost surely, 2^{6142990837789} is an apocalyptic number.

It is an amenable number.

6142990837789 is a deficient number, since it is larger than the sum of its proper divisors (514674883771).

6142990837789 is a wasteful number, since it uses less digits than its factorization.

6142990837789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009794799.

The product of its (nonzero) digits is 329204736, while the sum is 73.

The spelling of 6142990837789 in words is "six trillion, one hundred forty-two billion, nine hundred ninety million, eight hundred thirty-seven thousand, seven hundred eighty-nine".