8039642742137 has 2 divisors, whose sum is σ = 8039642742138. Its totient is φ = 8039642742136.

The previous prime is 8039642742119. The next prime is 8039642742161. The reversal of 8039642742137 is 7312472469308.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7675232517241 + 364410224896 = 2770421^2 + 603664^2 .

It is a cyclic number.

It is not a de Polignac number, because 8039642742137 - 2¹⁴ = 8039642725753 is a prime.

It is a super-2 number, since 2×8039642742137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8039642742037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4019821371068 + 4019821371069.

It is an arithmetic number, because the mean of its divisors is an integer number (4019821371069).

Almost surely, 2^{8039642742137} is an apocalyptic number.

It is an amenable number.

8039642742137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8039642742137 is an equidigital number, since it uses as much as digits as its factorization.

8039642742137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 8039642742137 in words is "eight trillion, thirty-nine billion, six hundred forty-two million, seven hundred forty-two thousand, one hundred thirty-seven".