7829146738139 has 2 divisors, whose sum is σ = 7829146738140. Its totient is φ = 7829146738138.

The previous prime is 7829146738111. The next prime is 7829146738183. The reversal of 7829146738139 is 9318376419287.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7829146738139 is a prime.

It is a super-2 number, since 2×7829146738139² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7829146738339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914573369069 + 3914573369070.

It is an arithmetic number, because the mean of its divisors is an integer number (3914573369070).

Almost surely, 2^{7829146738139} is an apocalyptic number.

7829146738139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7829146738139 is an equidigital number, since it uses as much as digits as its factorization.

7829146738139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 68.

The spelling of 7829146738139 in words is "seven trillion, eight hundred twenty-nine billion, one hundred forty-six million, seven hundred thirty-eight thousand, one hundred thirty-nine".