6346136429 has 2 divisors, whose sum is σ = 6346136430. Its totient is φ = 6346136428.

The previous prime is 6346136417. The next prime is 6346136443. The reversal of 6346136429 is 9246316436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4554900100 + 1791236329 = 67490^2 + 42323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6346136429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6346136429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6346136029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173068214 + 3173068215.

It is an arithmetic number, because the mean of its divisors is an integer number (3173068215).

Almost surely, 2^6346136429 is an apocalyptic number.

It is an amenable number.

6346136429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346136429 is an equidigital number, since it uses as much as digits as its factorization.

6346136429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 44.

The square root of 6346136429 is about 79662.6413634396. The cubic root of 6346136429 is about 1851.4122577904.

The spelling of 6346136429 in words is "six billion, three hundred forty-six million, one hundred thirty-six thousand, four hundred twenty-nine".